1988 Canada Calgary Winter Olympics 20 Dollar 10 Silver proof coin set UNC
1988 Canada Calgary Winter Olympics 10 Silver proof coin setMaterial（成份）: Silver（银）Weight（重量）: Total: 336g（克）Face Value（面值）: 20 DollarDiameter（直径）: 40mm（毫米）Grade: UNCMint: Royal Canadian Mint