1937 SPAIN / INTERNATIONAL BRIGADES Reg and airmail letter with multicolor franking, CDS illegible, military censorship, in front arrival PRAGUE 82-Airport -7.IV.37, nice, rare entire
1938 SPAIN / INTERNATIONAL BRIGADES letter to Prague, meter stmp BARCELONA, on reverse FP-postmark and frame censorship mark, sender S.R.I., Albacete, viewing of quality recommended