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

1861, embossed, 2 cmi. greenish grey, sheet of 50 stamps, unused with original gum, most stamps unmounted mint. Small marginal faults and three stamps with the diagonal crease; folded between stamps three times. A very rare multiple. Certificates Raybaudi (1992) and Bottacchi (2024)