3d green GVI military postal stationery registered envelope (H&G IC2A) used with added 1937 10d turquoise blue GVI issue (SG 474) tied by FIELD POST OFFICE 33 cds's dated 31 MAR 1944 located at TORBRUK, LIBYA with printed blue on white registration label with manuscript & handstamped 'FPO 33' inserted. Addressed to SOUTH AFRICA with small censor mark on front and additional censor mark on reverse.