Germany - East 1977 Sozphilex 77 Stamp Exhibition set of 2 perf m/sheets unmounted mint, SG MS E1964
Germany - East 1977 Sozphilex 77 Stamp Exhibition set of 2 perf m/sheets unmounted mint, SG MS E1964
Germany - East 1977 Sozphilex 77 Stamp Exhibition set of 2 perf m/sheets unmounted mint, SG MS E1964