• 1980 (first day: June 4th, 1980) for the 100th. Birthday of the writer Margit Kaffka, used first day cover typewriter address, with special cancellation, see SCAN



    •
    1980 (first day: June 4th, 1980) for the 100th. Birthday of the writer Margit Kaffka, used first day cover typewriter address, with special cancellation, see SCAN