Lot 66 371st Auction - 66

1942, Model aircraft exhibition souvenir sheet perforated, tied by cds. "ZAGREB 27.III.44" to registered cover with additional franking to Basel and imperforated souvenir sheet tied by cds. "POZEGA 8.IV.42" to registered cover with additional franking to Zagreb, both covers with arrival mark, fine, second cover with certificate Zrinjscak HFS (1998)