1920, Poste Polonaise Constantinople, “P.P.C.” handstamp overprints in violet, 3 f.- 5 m., 13 values with the 50 f. being twice, fresh colours, all used with cds. “POCZTA POLSKA KONSTANTINOPEL 1920” to small pieces, mostly fine to very fine. A rare set, mentioned but unnumbered in the major catalogues, signed Rachmanow and Mikulski
