Heinrich Köhler 384 Auction – Day 1 Single Lots: Europe and Colonies, Kingdom of Lombardy–Venetia – The "P.G." Collection

1884 (July 31), 20pa black & rose, dark shade, perforated 13.5, tied to postal card to Vienna by green circular grid cancel, matching green Tatar Pazardjik despatch c.d.s. at lower left, neatly-struck Constantinople-Galata / Départ transit (Aug 5) on front and Istanbul c.d.s. backstamp, redirected upon receipt in Vienna to Vardenberg, with c.d.s. receiver (Aug 10), fine.