The letter and its contents would seamlessly float in the air, almost by random, but by the skilled eyes of a shinobi they would realize that it is going more in one way than just by the whims of the wind. Almost as if someone had the power to control the very nature and imbue the letter to make its way to another place.
(Letter exiting country)
(run time 1 hr)
(Letter exiting country)
(run time 1 hr)