Auction: 166 - The Philatelic Collectors' Series Sale
Lot: 455
#C3 var., 1943 1.50Fr Dark blue, with inverted "France Libre" overprint, o.g., n.h., fresh and very fine; an air post rarity as only a single pane of 25 received and inverted overprint; signed Kessler and Sanabria (Sanabria #28a).
Sold for
$270