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

1885 (August 7), 10pa green & light green, perforated 11.5, tied to postal card to Plovdiv by blue circular grid cancel, Poste Slivno despatch c.d.s. alongside, showing the inverted “7” date slug, light blue c.d.s. arrival backstamp (Aug 8), tone spots, but a scarce example of this cancellation variety, recorded only between August 5 and 7, 1885.