Heinrich Köhler 385 Auction – Day 1

1926, Karadeniz Travelling Exhibition, exposition vignette affixed alongside 10k deep blue, the latter cancelled by commemorative “Republique Turque / Agence Postale / Exposition Flottante” Karadeniz ship cancel, postmarked Danzig (2 Aug), reverse with second vignette and pair of 2 1/2k slate Pictorials, some small edge faults, but a scarce cancellation from this famed “floating exhibition," offered with an additional unused vignette, fine.