Bulgaria 1976 Montreal Olympic Games Gold Medal Winners perf sheetlet containing set of 4 values unmounted mint, SG MS 2504
Bulgaria 1976 Montreal Olympic Games Gold Medal Winners perf sheetlet containing set of 4 values unmounted mint, SG MS 2504
Bulgaria 1976 Montreal Olympic Games Gold Medal Winners perf sheetlet containing set of 4 values unmounted mint, SG MS 2504