on piece 1891 (11 Sept.) large part front from Chefoo to Berlin bearing China 1888 Smal Dragon 3ca. mauve block of six cancelled by three strikes of Chefoo seal type chop, in combination with Germany 1889 50pf. reddish brown tied by "KAISERLICH/DEUTSCHE/POSTAGENTUR/SHANGHAI" c.d.s.; some horizontal creases clear of adhesives. A spectacular rarity. Willmann guarantee. Photo