Auction: 166 - The Philatelic Collectors' Series Sale
Lot: 371
#6, 1859 20c Blue, stone A, two examples, complete to large margins, each used on piece, tied by "Medellin./Franca." and "Bogotá" oval handstamps, the latter being a type very scarcely applied in blue, a very fine duo. Cat. value $300
Sold for
$450