Auction: 142 - March Philatelic Collector's Series Sale
Lot: 470
Undersander #EAM1Bc, 5c Blue on white proof, UPSS die AM1, centered on top of sheet of paper measuring 216x280mm and watermarked "EMPIRE-U.S.A.-BOND" in fancy monogram, extremely fine and very rare, being one of only two reported examples.
Sold for
$260
Watch, listen and bid as if you were in the room. Now available for auctions worldwide.
Click here to bid live
An exclusive and confidential service for the discerning collector or vendor.
View the Gallery
Download every Spink catalogue on your iPad, iPod or iPhone using free Spink app.
Download From iTunes© 2026 Spink & Son. All rights reserved.