from  the estate of   Dutch service man Jan Hendrik Hoendervoogt who served with the Royal Netherlands Navy and then later with 320 (Netherlands) Squadron RAF ( RAF NUMBER  RAF 1250 No . f.p.40378 ) then post war  service with HM AIRLINES  a lot of which was in AFRICA   He died in Durban in 1977 

 - 

SOME WEAR TO  MARGINS  FOLDED   DATED 1951   FOXING