John Heartfield 1971, 11 April (date of issue) Bulgarian stamp issued to honor 20th anniversary of FIR
Postage stamp Private collection of Krzysztof Slowinski Federation Internationale des Resistants = Intl. Federation of Resistance Fighters. A set of 2 stamps having the same design but different colors. Denomination 13 St. The design is based on a John Heartfield's photomontage of 1933 "Leipzig Trial".
