Auction: 6010 - Important Stamps & Covers of the World - Washington Philatelic Exhibition Auction
Lot: 122
x Gibraltar 1918 (15 Apr.) "war tax" 1/2d. green, a block of twenty (4x5) from the lower left corner of the right pane, variety overprint double, fresh and fine unmounted mint; a few split perfs. B.P.A. Certificate (1993). S.G. 86a, £17,000
Sold for
$18,000