| Issuer | Thailand |
| Year | 2025 |
| Type | Non-circulating coin |
| Value | 20 Bahts (20 บาท) |
| Currency | Baht (1897-date) |
| Composition | Copper-nickel (75% Copper / 25% Nickel) |
| Weight | 15 g |
| Dimensions | 32 mm |
| Thickness | 2.5 mm |
| Shape and Technique | Round Milled |
| Orientation | Medal alignment ↑↑ |
| Engraver(s) | |
| In circulation to | |
| Reference(s) |
| Obverse description | Conjoined busts of King Buddha Yodfa Chulaloke and King Vajiralongkorn, both front-facing slightly toward the center. Emblem of Royal House of Chakri below nine-tiered umbrella on the top. |
| Obverse script | |
| Obverse lettering | |
| Reverse description | King Buddha Yodfa Chulaloke’s privy seal, depicting Unalom within a lotus flower cartouche surrounded by lotus petals, on the left. King Vajiralongkorn`s Royal Cypher Medal, depicting `วปร` monogram beneath Thai numeral `๑๐`, on the right. |
| Reverse script | Thai |
| Reverse lettering | ๒๐ บาท
๑๔ มกราคม ๒๕๔๓ ประเทศไทย
พระราชพิธีสมมงคลพระชนมายุเท่าพระบาทสมเด็จพระพุทธยอดฟ้าจุฬาโลกมหาราช (Translation: 20 Baht. 14 January [B.E.]2568. Thailand. Royal ceremony to celebrate the auspicious occasion of attaining the same age as His Majesty King Buddha Yodfa Chulalok the Great.) |
| Edge | Reeded. |
| Mint | |
| Mintage | 2568 (2025) - Max 2M pcs. - 2568 (2025) - Proof; Max 50000 pcs. - |
| Catalog ID | 4026801270 |
| Comments |
