CORFU, 1941, 10L BLUE & BROWN RED WITH CORRECTED SPELLING "TIPY" MINT NEVER HINGED, #N17, fresh and well-centered with bottom selvage, choice very fine, the rare key value to the set, with 2014 Sismondo cert. and 2022 Dr. Helmuth Avi cert., cat. $1,550.00 as hinged, Sassone #20A @ €4,500.00 (Image)

$750