1 1/2d George VI on envelope, cancelled "Post Office maritime Mail" in February 1949. "Posted on board H. M. S. Vengeance during Cold Weather Trials in the Artic and transferred at sea to R. F.A. Wave Premier. With a blue stamp and signature from the "Commanding Officer". Also one envelope with same stamps and same postmark, with a print of "Neptun" and two polar bears.

1 1/2d George VI on envelope, cancelled "Post Office maritime Mail" in February 1949. "Posted on board H. M. S. Vengeance during Cold Weather Trials in the Artic and transferred at sea to R. F.A. Wave Premier. With a blue stamp and signature from the "Commanding Officer". Also one envelope with same stamps and same postmark, with a print of "Neptun" and two polar bears.