German Democratic Republic - 235
235
German Democratic Republic 1988
10th Anniversary of the USSR-GDR Joint Space Flight
Sigmund Jähn and Valery Bykovsky
5pf multicolored
June 21, 1988
Sigmund Jähn and Valery Bykovsky
10pf multicolored
August 30, 1988
Sigmund Jähn and Valery Bykovsky
4 × 10pf multicolored
August 30, 1988