Way of writing overseas (7)
I believe the answer is:
airmail
(Other definitions for airmail that I've seen before include "Flying post?" , "I'm a liar (anag)" , "It's marked "par avion"" , "Letters sent up" , "overseas post?" .)
I believe the answer is:
airmail
(Other definitions for airmail that I've seen before include "Flying post?" , "I'm a liar (anag)" , "It's marked "par avion"" , "Letters sent up" , "overseas post?" .)