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

1885, 5pa black on olive, perforated 13.5, overprinted Type IV, affixed to unused postal card, a few trivial marks to card, an extremely scarce Type IV overprint on an 1880/1 issue, which were not officially overprinted, and could only be overprinted if brought to the post office privately; signed Zagorsky, with his 1996 certificate.