| Value | 1 Baht |
| Material | Copper - nickel - Silver - Zinc |
| Weight | 7.5 gr |
| Diameter | 26.9 mm |
| Thickness | 1.8 mm |
| Shape | Round |
| Subject | King Rama ix |
Y82.1 · Thailand · 2500 - (1957)

| Value | 1 Baht |
| Material | Copper - nickel - Silver - Zinc |
| Weight | 7.5 gr |
| Diameter | 26.9 mm |
| Thickness | 1.8 mm |
| Shape | Round |
| Subject | King Rama ix |
Coin