Stampless picture postcard (minor creasing) of a “Hall Line” ship written whilst on board ship at Southampton by a member of the South African Aviation Corps. Addressed to South Africa endorsed “On active Service” with a Southampton c.d.s. the picture side with scarce violet “South African/26 DEC 1915/Aviation Corps”. The message reads “my new address with be East African Expeditionary Force, C/O Base Postmaster”. Very scarce.