"Luang Phor Thuad 2497" is the collectors' name for the first batch of Luang Pu Thuad (หลวงปู่ทวด) amulets, made at Wat Chang Hai in Pattani province in Buddhist Era (BE) 2497, which is 1954 CE [10], [12]. The number is a Thai Buddhist Era year, not a serial number or a price. To convert any modern Thai BE year to the Western year, subtract 543 [1], [3].
Key facts
| Fact | Detail | Source |
|---|---|---|
| Conversion rule | Thai BE = CE + 543; the Thai calendar fixes the gap at exactly 543 years | [1], [3], [4] |
| 1912–1940 exception | For 1 January–31 March of 1912–1940, when the Thai year began on 1 April, the difference is 542 | [1] |
| "2497" | First batch of Luang Pu Thuad amulets, BE 2497 (1954), herbal material (nuea wan) | [10], [12], [13] |
| "2505" | Wat Chang Hai batches of BE 2505 (1962), including the cast "Lang Tao Reed" figures | [10], [14], [15] |
| Older eras | Rattanakosin Era (ร.ศ.) + 2324 = BE; Chula Sakarat (จ.ศ.) + 1181 = BE | [7], [8] |
| Thai digits | ๐ ๑ ๒ ๓ ๔ ๕ ๖ ๗ ๘ ๙ = 0 to 9 | [6] |
| Current year | 2026 CE = BE 2569 | [4] |
What does "Luang Phor Thuad 2497" mean?
Luang Pu Thuad is a revered monk of the Ayutthaya period [11]. Thai Wikipedia lists among his names "Luang Pu Thuad Yiap Nam Thale Chuet" and "Luang Pu Thuad Wat Chang Hai" [11]. English-language sources spell him several ways, including "Luang Phor Thuad" for the amulets [10]. English Wikipedia gives his death as 6 March 1682 (BE 2225). It notes that his birth date is disputed [10]. That BE year is the modern conversion (1682 + 543); the 1 April new-year rule explained below applies to 1912–1940, not to the Ayutthaya period [1].
The amulet story starts much later. The first batch of Luang Pu Thuad amulets was made in BE 2497 (1954), entirely from herbal material (nuea wan) [10]. Thairath credits the batch to Phra Ajarn Tim (Luang Pu Tim) of Wat Chang Hai [12], [13]. Thairath also describes it as a mix of 108 kinds of sacred herbs and a white powder [12]. The temple stands in Khuan Nori subdistrict, Khok Pho district, Pattani [12].
So when a collector says "2497", they mean that batch and that year. Thairath's 2026 list of the five most expensive Luang Pu Thuad pieces puts the BE 2497 herbal large mould (phim yai) first [13].
Who was Phra Ajarn Tim?
Thairath gives his birth as 21 August 1912, in Ban Na Pradu, Pattani [12]. He became acting abbot of Wat Chang Hai in 1941 and abbot in 1950 [12]. His ecclesiastical title was Phra Khru Wisai Sophon (พระครูวิสัยโสภณ) [14], [16]. English Wikipedia says he "pioneered the creation" of the Luang Phor Thuad amulets [10].
How the Buddhist Era works: BE = CE + 543
Thailand counts years in the Buddhist Era, abbreviated พ.ศ. (Phutthasakkarat) [1]. In Theravada tradition the era counts from the Buddha's parinibbana, his final passing [2]. The Thai calendar fixes the gap between BE and CE at exactly 543 years [3]. Chinese sources write the same rule as 泰國佛曆年 = 公曆年 + 543, and give 2026 as BE 2569 [4]. In Vietnamese the calendar is called Phật lịch, and Vietnamese Wikipedia notes the same fixed 543-year gap [5].
The arithmetic is simple:
- BE to CE: subtract 543. BE 2497 − 543 = 1954.
- CE to BE: add 543. 1962 + 543 = BE 2505.
King Chulalongkorn (Rama V) adopted the solar calendar in 1888 [1]. In 1912 (BE 2455), King Vajiravudh (Rama VI) switched year-counting to the Buddhist Era, with the year starting on 1 April [1].
The 1912–1940 exception (January to March)
From 1912 until 1940 the Thai year began on 1 April, not 1 January [1]. On 6 September 1940 Prime Minister Phibunsongkhram decreed that 1 January 1941 would start BE 2484 [1]. As a result, BE 2483 lasted only nine months, from 1 April to 31 December 1940 [1]. Thai Wikipedia lists the announcement as dated 24 December BE 2483 [2].
For dates from 1 January to 31 March in those years (1912–1940), the difference is 542, not 543 [1]. A piece consecrated in February BE 2482 was therefore made in February 1940, not 1939. This only matters when a full day and month are known.
Thai BE is not the same as other Buddhist countries' BE
Thai Wikipedia notes that the Thai count runs almost one year behind the count in other Buddhist countries [2]. The Myanmar tradition dates the epoch to 544 BCE, and the Sri Lankan tradition to 545 BCE [3]. English Wikipedia adds that in Myanmar the BE-to-CE difference changes with the month [3]. A Buddhist-era date on a Burmese or Sri Lankan object may therefore not convert the same way as a Thai one.
Thai amulet year conversion table
The table below converts years that appear often in Thai amulet collecting. Rows before 1941 show the full span of the Thai year, because that year began on 1 April [1], [7].
| Year on the piece or in the name | Western year (CE) | Example | Source |
|---|---|---|---|
| ร.ศ. 110 = BE 2434 | 1891 (April 1891 to March 1892) | Jap Poy Lo Han (18 arhats) coin | [1], [7], [24] |
| BE 2460 | 1917 (April 1917 to March 1918) | First Phra Phuttha Sothon coin | [1], [23] |
| BE 2483 | 1940 (1 April to 31 December only) | The shortened year | [1] |
| BE 2484 | 1941 | First Thai year to start on 1 January | [1] |
| BE 2497 | 1954 | First Luang Pu Thuad batch, Wat Chang Hai | [10], [12] |
| BE 2500 | 1957 | 25th Buddhist Century amulets; Luang Pu Thuad "Hua To" coin | [16], [18], [19] |
| BE 2505 | 1962 | Luang Pu Thuad Lang Tao Reed; Testament edition | [14], [15] |
| BE 2508 | 1965 | Luang Pu Thuad "Bua Rob Kring" | [17] |
| BE 2530 | 1987 | First Jatukam Ramathep batch | [20] |
| BE 2536 | 1993 | Luang Phor Koon "Charoen Phon Lang" coin | [21] |
| BE 2555 | 2012 | "Jong Pen Suk" coin, coded ๕๕ | [22] |
| BE 2565 | 2022 | APEC 2022 commemorative 20-baht coin | [25] |
| BE 2569 | 2026 | Current year | [4] |
Older eras on old pieces: Rattanakosin Sok and Chula Sakarat
Pieces made before the Buddhist Era became official may carry a different era altogether.
Rattanakosin Era (ร.ศ., R.S. or R.E.)
The Rattanakosin Era counts from the founding of Bangkok, with year 1 starting on 6 April 1782 [1]. It came into use from 1 April RS 108 (BE 2432, 1889 CE) [7]. To convert, add 2324 to get the BE year [7]. To get CE, add 1781 for dates from 6 April to December, and 1782 for dates from January to 5 April [1]. The last Rattanakosin year in official use was RS 131 (BE 2455) [7].
The era appears on coins of the time. The Jap Poy Lo Han coin was made for the ordination of Crown Prince Vajirunhis at Wat Bowonniwet. Siam Rath reports that its reverse reads "ปี ร.ศ.110", Rattanakosin year 110 [24]. Adding 2324 gives BE 2434, which is 1891 [7], [24].
Chula Sakarat (จ.ศ.)
The Chula Sakarat, or Minor Era, has year 0 starting on 22 March 638 CE [9]. Siam dropped it for official use on 1 April 1889, but it is still used in Thai academic writing on history [9]. Thai Wikipedia gives its starting point as BE 1181 (638 CE), so a Chula Sakarat year plus 1181 gives the BE year in which that Chula Sakarat year begins [8]. Each Chula Sakarat year runs from 16 April to 15 April [8].
How to read Thai numerals on amulet coins (rian)
Thai has its own ten digits [6]:
| Thai digit | ๐ | ๑ | ๒ | ๓ | ๔ | ๕ | ๖ | ๗ | ๘ | ๙ |
|---|---|---|---|---|---|---|---|---|---|---|
| Value | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| Name | sun | nueng | song | sam | si | ha | hok | chet | paet | kao |
Thai numerals are the traditional digits, but Arabic numerals are now more common [6]. Thai numerals still appear on coins. For example, the Treasury Department's APEC 2022 commemorative coin has "พ.ศ. ๒๕๖๕" (BE 2565) on its reverse, and InfoQuest's report on it gives the year in Arabic digits [25].
To read a date on a rian (เหรียญ, medal-coin):
- Find the era marker. พ.ศ. means Buddhist Era. ร.ศ. means Rattanakosin Era. จ.ศ. means Chula Sakarat [1], [9].
- Read the digits one by one. ๒๔๖๐ is 2-4-6-0, or BE 2460 [6], [23].
- Convert. Subtract 543 from a BE year. Add 2324 to an RS year to get BE [1], [7].
Examples from press reports
- Phra Phuttha Sothon, first coin, BE 2460. Thairath reports "พ.ศ.๒๔๖๐" on the front, beside the seated image of Luang Pho Sothon and the legend naming Chachoengsao [23]. Phra Ajarn Lin, acting abbot of Wat Sothon, started the project. The coin raised funds to repair the image's pedestal [23].
- Two-digit year codes. Some modern makers abbreviate the year. Komchadluek reports that the "Jong Pen Suk" coin of BE 2555 has the code "๕๕" on the front of its gold, silver and fire-finished copper pieces to mark the year [22]. The coin marked the 2,600th anniversary of the Buddha's Enlightenment. It was made in runs of 20 gold, 200 silver, 2,000 fire-finished copper and 20,000 blackened copper pieces [22].
Where the date appears, and when it does not
The year in an amulet's market name is often the year of the batch or of its consecration ceremony, not a date read off the piece.
The Luang Pu Thuad "Lang Tao Reed" (หลังเตารีด, "iron back") of BE 2505 is a useful case. Thairath describes it as a cast figure with a plain, flat back, often with file marks, and does not mention a year on the piece [14]. The "2505" in its name matches its consecration at Wat Chang Hai on 16 May BE 2505 [14]. That 2023 Thairath column credits the issue to Luang Pu Tim (Phra Khru Wisai Sophon), names Prince Chalermphol (องค์ชายกลาง) as its patron, and says the figures were cast in Bangkok before the ceremony [14]. It lists three materials: 99 pieces of gold-mixed metal, about 1,000 pieces of mekaphat alloy, and tens of thousands in nine-metal alloy (navaloha) [14]. The figures come in large, medium and small moulds [14].
Thairath's own columns disagree about the mekaphat pieces. A different Thairath column, also from 2023, says the gold, mekaphat, nine-metal and ore pieces were made by Prince Chalermphol himself as his family's amulets, about a month before the Wat Chang Hai alloy issue [27]. It says only some were later donated to Wat Chang Hai, and that many people wrongly think the two were made together [27]. The sources do not settle the question, so a "2505 mekaphat" piece may be described either way.
The BE 2508 "Bua Rob Kring" figure is another case. According to Thairath, it was stamped with three lines: "Visaisophon", "Luang Pu Thuat" and "Wat Chang Hai" [17]. Thairath gives its consecration date as 16 April 1965 (BE 2508), and none of the three stamped lines is a year [17]. Thairath describes the stamped lines as a help in authentication [17].
Thairath's description of the Lang Tao Reed identifies it by mould, material and details such as the finish of the back [14]. Thai press reports name each production run a รุ่น (run), as in รุ่นแรก, "first run" [13], [16].
Famous batch years collectors quote
2497: the first Luang Pu Thuad batch
Thairath calls the herbal first batch the prototype (ต้นแบบ) of Luang Pu Thuad amulets [13], and English Wikipedia calls it the original set [10]. Thairath (2026) lists the 2497 large mould first among the most expensive Luang Pu Thuad pieces, with prices "from the late hundred-thousands of baht to several million baht" [13]. Those are 2026 Thai baht figures, reported as market estimates.
2500: the 25th Buddhist Century
BE 2500 (1957) marked 2,500 years of Buddhism [18]. Phutthamonthon, a Buddhist park, was created that year and inaugurated on 13 May 1957 [19]. Amulets called "25 Phutthasattawat" (25 พุทธศตวรรษ) were made for the occasion. MGR Online reports that the King presided over the first casting at Wat Suthat and that as many as 108 monks chanted at the consecration [18]. Wat Chang Hai also issued its first "Hua To" (big head) Luang Pu Thuad coin in BE 2500 [16]. Thairath reports about 5,000 of these coins, the first 3,000 in copper [16].
2505: the cast and herbal batches of 1962
English Wikipedia says the BE 2505 batch introduced the Lang Tao Reed ("Lang Taolit") figures [10]. Thairath (2026) puts a top-condition large Lang Tao Reed in nine-metal alloy at about THB 500,000 to over THB 1,000,000 [13]. The same article lists a BE 2505 batch from Betong, Yala, of only 999 numbered pieces, at over THB 1 million [13]. Both are 2026 estimates.
The same year produced the herbal "Testament edition" (Phra Rod mould). Thairath English says it is commonly said that about 5,000 pieces were made. About 3,000 of them went to Wat Na Pradu, and Phra Ajarn Tim kept about 2,000 [15].
2508, 2530 and 2536
- BE 2508 (1965): Wat Chang Hai issued 5,000 bronze "Bua Rob Kring" figures to raise funds for a school building in Pattani [17].
- BE 2530 (1987): The first Jatukam Ramathep batch, the "Sun–Moon Rahu Medallion", was made in 1987 [20].
- BE 2536 (1993): Luang Phor Koon's "Charoen Phon Lang" coin was made for the library celebration at Wat Chaeng Nok, Nakhon Ratchasima, on 5 December BE 2536 [21]. Post Today (2016) reports 19 gold pieces of one variant, said to be worth several million baht (a 2016 figure) [21].
Our reference site ThaiAmuletExchange lists Luang Pu Thuad batches by BE year, such as BE 2510 and BE 2551, in its price index [26].
Why the year is a label, not proof of age or authenticity
A BE year tells you which batch a piece is said to belong to. It does not prove when that piece left the temple, or that the piece is genuine.
Release can lag creation. The BE 2508 Bua Rob Kring figures were first offered at 300 baht each in 1965. They did not sell out, and the temple later offered them at 150 baht [17]. Thairath, citing veteran Pattani collectors, says the provincial treasury later retrieved the remainder, which had been deposited at a bank, and reissued it at 600 baht each in 1976 [17]. In 2014, MGR Online reported that about 20,000 "25 Phutthasattawat" amulets, mostly in chin alloy (เนื้อชิน), had been found in 10 old crates at the Phutthamonthon office [18]. They had been stored for more than 50 years and were confirmed as part of the BE 2500 set [18]. They were to be given to donors to a restoration fund [18].
One year, many batches. BE 2505 alone covers the cast Lang Tao Reed, the herbal Testament edition and a separate Betong issue [13], [14], [15]. One Thairath column adds a separate family batch in other metals [27]. "2505" without a mould or material does not identify a piece.
Verify more than the year. Thairath's 2026 list closes by advising new collectors that studying the information and checking authenticity is the most important step before putting money into pieces of this value [13].
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