GREAT BRITAIN 1938 (FDC) KING GEORGE VI DEFINITIVES
2d Orange strip x 3 and 3d Violet KGVI definitives, perf 15 x 14, GvR watermark, on cover to Nicaragua with wavy line and LONDON F.S., AIRMAIL circular cancel dated 31 JAN 1938, the first day of issue and the first day of acceptance of the 9d letter rate to Central America. CORREO AEREO rectangular receiving cancel dated 11 FEB. 1938 on reverse. Fine. SG465/467; SC238/240; BC48i
