1938 Hong Kong-Egypt FFC of 1st 'All-up' Air Service, franked KGVI 15c tied by 'Victoria Hong Kong 1 SP 38' cds. To Cairo with arrival cds, boxed 'Insufficiently Addressed' cachet, b/s of Cairo, Churia, Alexandria, Hong Kong return & Returned Letter Office HK cds. (P) (Image1)