FID SGG2 1d Pair on a Sailors Letter from South Orkneys to Port Stanley SCARCE

26th March 1946 cover from South Orkneys to a Sailor on HMS William Scoresby (Decommissioned in September 1946) at Port Stanley franked by 1946 1d Black and Violet Thick Map vertical pair tied by a very fine strike of the type C2 CDs in Violet. Arrival backstamp of 3 AP 46. A Scarce Commercial Early Usage