Auction: 166 - The Philatelic Collectors' Series Sale
Lot: 597
1855-71 three stampless external covers carried from Panama or via Panama, including one to France dispatched at the British P.O. in Panama, the other two with double-arc datestamps of the British P.O.'s of Valparaiso and Guayaquil, sent to Paris and New York, with "Panama/Transit" and three-line "Panama/Transit" datestamp, a very fine trio.
Estimate
$150 to $200