| Issuer | Thailand |
| Year | 1875-1883 |
| Type | Standard circulation coin |
| Value | 1 Siao = 1/4 Fuang = 1⁄32 Baht |
| Currency | Baht / Tical (1869-1897) |
| Composition | Copper |
| Weight | 11.35 g |
| Dimensions | 31 mm |
| Thickness | 2 mm |
| Shape and Technique | Round Milled |
| Orientation | Coin alignment ↑↓ |
| Engraver(s) | |
| In circulation to | 17 May 1909 |
| Reference(s) | Y#19 |
| Obverse description | Crowned monogram of King Rama V with 10 radius on top `จปร` is abbreviation of his title, `จุฬาลงกรณ์ ปรมินทร์` |
| Obverse script | Thai |
| Obverse lettering | กรุงสยาม รัชกาลที่ ๕
จปร (Translation: Siam Rama V CPR) |
| Reverse description | Inscriptions within Java Cassia (Cassia javanica) wreath |
| Reverse script | Thai |
| Reverse lettering | เสี้ยว
๔
อันเฟื้อง
๑๒๓๖ (Translation: Siao 4 pieces [equal to] Fueang [CS]1236) |
| Edge | Smooth |
| Mint | |
| Mintage | 1236 (1875) - ๑๒๓๖ - 1238 (1877) - ๑๒๓๘ - 1244 (1883) - ๑๒๔๔ - 10 200 000 |
| Catalog ID | 8937237410 |
| Comments |
