cover -- "Widler" envelope (vertical crease) registered to Shanghai bearing 10c. blue tied by Hochow bilingual c.d.s. and Nanking transit c.d.s., bears the handstruck registration mark at left and arrival backstamp. Photo

Details
cover -- "Widler" envelope (vertical crease) registered to Shanghai bearing 10c. blue tied by Hochow bilingual c.d.s. and Nanking transit c.d.s., bears the handstruck registration mark at left and arrival backstamp. Photo