ChinaChina Kouang-Tcheou 1937 Airmail Env to Hanoi
envelope bearing Yvert 90, 20c lilac & grey tied by Fort Bayard Kouang-Tcheou-Wan datestamp with Boxed Canton-Hanoi to Fort Bayard Air Mail handstamp, underpaid with Indo-China Postage Due Yvert 64, 4c orange applied and tied in Hanoi on arrival. Nice combination. (pt)
