Singapore 1975 10th Anniversary of Independence 100 dollars gold coin

Technical Specifications:
Type: Gold (B.U.)
Metal: Gold (.900)
Face Value (SGD): 100 SGD
Mintage (pieces / sets): 100,000 (BU), 3,000(Proof)
Diameter (mm): 19.3
Thickness (mm): 1.7
Weight (g): 6.91