2139
cover 1929 (10 Nov.) commercial envelope from Vladivostock to Constantinople bearing a fine strike of the "B.P.O. TO C.P.O./SHANGHAI/26 NOV 21/TIME 16" framed h.s. in lower corner; an array of transit marks including Shanghai bilingual c.d.s. on reverse. A good example of this scarce h.s. and on an unusual route

细节
cover 1929 (10 Nov.) commercial envelope from Vladivostock to Constantinople bearing a fine strike of the "B.P.O. TO C.P.O./SHANGHAI/26 NOV 21/TIME 16" framed h.s. in lower corner; an array of transit marks including Shanghai bilingual c.d.s. on reverse. A good example of this scarce h.s. and on an unusual route