| Value | 1 BAHT |
| Material | Copper nickel |
| Weight | 7 gr |
| Diameter | 25 mm |
| Thickness | 1.83 mm |
| Shape | Round |
| Subject | Investiture of Princess Sirindhorn, May 12, female counterpart to the crown prince - Rama IX of Crown Princess |
Y124 · THAILAND · 1977

| Value | 1 BAHT |
| Material | Copper nickel |
| Weight | 7 gr |
| Diameter | 25 mm |
| Thickness | 1.83 mm |
| Shape | Round |
| Subject | Investiture of Princess Sirindhorn, May 12, female counterpart to the crown prince - Rama IX of Crown Princess |
Coin