Los-Nr. 559

1872, 1 c. red-brown, horizontal block of 10, the top left stamp with interesting printing flaw, cancelled with 4 crisp strikes of blue cds. "MERTERT 12 2 76"; the multiple with some light creasing, still fine and most attractive; in the combination with the blue cancellation an unique piece, sign. Goebel and certificate Böttger BPP (2018) Provenance: Isac Seligson (Corinphila 1982)