Singapore. Annual Proof Set: 1, 5, 10, 20, 50 Cents and 1 Dollar 1982, KM PS15 (KM 1-5, 6a), Singapore Mint, 1 Dollar 1982, KM 6a, Silver 33,32 mm, weight 18,05 g. .925, set in original wooden box, certificate of authenticity, Condition Proof, beautiful collector's set
