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

1860, Coat of Arms 10 k. blue/rose, fresh colours, unused with original, typical brownish gum, a few perfs at bottom left and upper right slightly shortened due to cissor´s cut, otherwise very fine. A very rare stamp, certificate Philatelic Experts (2024)