SOUTH SHETLANDS - DECEPTION IS. - UNIQUE(?) INTER-BASE COVER...

SOUTH SHETLANDS - DECEPTION IS. - UNIQUE(?) INTER-BASE COVER TO "BASE A" (PORT LOCKROY); 5 Feb. 1944 env. (edge wear) ex Deception Island Base B to "Surgeon Lt. E.H. Back RNVR, Port Base A" with S. Shetlands 1d tied by fair purple "South Shetlands" cds but having no Naval censor mark or label. Carried by SS 'Fitzroy' at the correct internal 1d rate. Believed to be the only surviving Inter-Base Operation Tabarin cover. Significant Exhibition Item. Cross Reference: FALKLAND ISLANDS DEPENDENCIES, MILITARY - WWII