Description
2 Bulgarian pictorials (SG 1036-7) uprating an illustrated 20stot PS envelope, cancelled by bi-lingual Sliven cds 26 December 1958 to Czechoslovakia; with registered label and airmail etiquette; on the reverse the flaps are sealed by 5 x 4stot propaganda labels, (could not trace these), imperf or rough perf, cancelled with the Sliven cds: the address part of the envelope has been cut away