Konstantin Tsiolkovsky
Tsiolkovsky with the model of a dirigible, picture in Kaluga Tsiolkovsky museum
Konstantin Tsiolkovsky
Souvenir set
Balabanovo experimental match factory, 1964
Text on the label:
К. Э. Циолковский
с моделью
дирижабля
г. Калуга
Label size 4/4 (35x53mm)