China Postage Due 1928 (21 Feb.) local Shanghai envelope bearing 1c. Junk tied by indistinct c.d.s., readdressed to Manchester with Shanghai (21.2) c.d.s. and two strikes of boxed "Complementary postage/to be collected 22 1/2 ctms" in black, one partly covered with G.B. 1/2d. and 2d. Postage Dues tied by Salford c.d.s. and with handstruck "2 1/2d.i.s." in black. Most unusual. Signed Holcombe. Photo Estimate HK$ 7,000-8,000
