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

1881, 10pa black & lilac, overprinted “R.O.” and “Roumélie Orientale” , block of four, cancelled with several strikes of blue circular grid, some perforation flaws, small thin at top, yet a rare multiple, with few genuine examples recorded; with 2004 Hitzler certificate.