Philately. airmail letter to East Germany with Mi.53B, 84B, 52B, CDS PYONGYANG (?), 21.10.54 (?), colored additional printing; good condition (Image 1) (Image 2) (Image)

Philately. airmail letter to East Germany with Mi.98B, 84B, 52B, CDS HAM HUNG 12.2.55, color additional printing and cancel. PAR AVION; in good condition (Image 1) (Image 2) (Image)

Philately. airmail reg cover to Czechoslovakia, on both sides richly franked imprinted envelope, stamps Mi.96A (corner piece), 98A, 84B, 52B, 50B and on reverse 2x block of four of Mi.92 and 93, CDS GHUNGZIN 26.10.55; good condition (Image 1) (Image 2) (Image)