Germany - East 1977 25th Anniversary of Sports & Technical Sciences perf set of 3 fine cto used, SG E1936-38
Germany - East 1977 25th Anniversary of Sports & Technical Sciences perf set of 3 fine cto used, SG E1936-38
Germany - East 1977 25th Anniversary of Sports & Technical Sciences perf set of 3 fine cto used, SG E1936-38