International Year of Fighting Against Apartheid.
Two spacy stamps celebrating the second Soviet-Bulgarian space flight!
Three stamps for the International Exhibition in Plovdiv, a world expo themed around the creations of young inventors.
Slick flat illustration style for this Bulgarian stamp commemorating the 1972 Winter Olympic Games in Sapporo.
Four stamps showcasing traditional Bulgarian fashion done up in a clean and flat illustration style. If anyone is able to help translate the text on these, let me know!
A gorgeous stamp from 1971, designed by the legendary Stefan Kanchev.
Related: Stefan Kanchev feature on So Much Pileup.
Two stamps celebrating the transmission of soundwaves through the air over to listeners.
Bulgaria, 1979.
Great Britain, 1972.
The color scheme on this stamp from Bulgaria has me wishing it was still Fall. Can anyone translate the text on this one?