signature on the reverse with an unreadable stamp: [COPYRIGHT RESERVED BY ZAIKS | LES DROITS D'AUTEURS RESERVES | REPRODUCTION ALLOWED UNDER THE CONDITION | 1) AUTHOR EDWARD HARTWIG | 2) Fee payment according to ZAIKS price list | AUTHOR EDWARD HARTWIG artist photographer | Warsaw, Al. Jerozolimskie 31, tel. 28-77-29]