Lot 80810 – 1867 3c grey on chalk surfaced paper, block of 16

1867 3c grey on chalk surfaced paper, block of 16 (4×4) from the lower left corner of the sheet, featuring one of the four panes of 16 comprised in the sheet, exceptional margins enabling to exhibit the bordering lines of the pane, with full original gum and two hinge remains in horizontal row at base only, an exceptional and very rare multiple; signed Colla, cert. Bolaffi (2005); Sassone €60,000+ for four blocks of four.