© Heritage Auctions
 1 Att - Rama V
| Bronze | 5.8 g | 24 mm | 
|   Issuer   |  Thailand | 
|---|---|
|   King   |  Phra Chula Chom Klao (Rama V / Chulalongkorn) (1868-1910) | 
|   Type   |  Standard circulation coin | 
|   Years   |  109-1249 (1888-1905) | 
|   Calendar   |  Thailand - Rama era | 
|   Value   |  1 Att = ⅛ Fuang = 1⁄64 Baht | 
|   Currency   |  Baht / Tical (1869-1897) | 
|   Composition   |  Bronze | 
|   Weight   |  5.8 g | 
|   Diameter   |  24 mm | 
|   Thickness   |  2 mm | 
|   Shape   |  Round | 
|   Technique   |  Milled | 
|   Orientation   |  Variable alignment ↺ | 
|   Demonetized   |  17 May 1909 | 
|   Updated   |  2024-10-08 | 
|   Numista   |  N#11097 | 
|---|---|
|   Rarity index   |  20% | 
Reverse
Phra Siam Devadhiraj facing right, holding a spear, seated on a shield which divided into three parts; the three-headed elephant on the top represents Siam; The elephant facing left on the bottom left represents Lan Xang; and crossed Kris and Warangka represent Malay, inscriptions divided left and right of the figure and date at the bottom below the figure
Script: Thai
 Lettering: 
 หนึ่ง
 อัฐ
 ๑๒๒ 
 Translation: 
 One
 Att
 122 
Edge
Plain
Comment
Full red uncirculated coins of this type carry a substantial premium
Different font 114: