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

20 cmi. blue, somewhat touched at top and right, otherwise good to large margins, used on the first day of the Provisional Government of Lombardy, tied by c.d.s. "MILANO 1/7" (1859) to entire letter to Torino. A fine and extremely rare 'first day letter'. Signed Alberto Diena and Bottacchi with certificate (2024)