Soviet Bloc 'postkrieg' against Israel: post-6 Day War 14-09-1967 a/m cv ex HOLON to WARSAW, franked 0.55L using 1967 IDF Victory 15Ag & 40Ag (Ba376/377) tied by machine cancel; as Bloc took pro-Arab stance & defeated armies in '67 War supported by USSR, this cv refused service upon arr. in Poland & marked "Return | Not Admitted - (art. 28 ﾧ 1D) of the UPU Convention for glorification of military aggression on a postage stamp" using Fr.-lang h/s - this early date usage (used in Pol. Sept. 1967 - Mar. 1968); returned to sender undelivered.