Stamps of German Democratic Republic, red&bl color
1 to 3 of 3
postage
1960, Nov 10 Chemistry Worker's Day issue wmk. quatrefoil & DDR (no perf info)
| X | 5pf | red & bl | scientist & chemical diagram |
1969, May 28 2nd Women's Congress issue unwmk
| X | 20pf | red & bl | women & symbols |
semipostal
1965, Jul 5 World Peace Congress issue (no wmk info)
| - | 20+5pf | red & bl |
1 to 3 of 3