Details
cover 1903 (19 Mar.) "Marco Polo" ship's envelope, registered to Rome bearing, on the reverse, Russian 2k. yellow-green (3) and 7k. blue (2) tied by Russian Post Office in Shanghai c.d.s. with arrival c.d.s. alongside; the front bears a further strike of the desaptch c.d.s. with the registration label. Enzo Diena Certificate (1988). Photo