Whitman Expo
As America celebrates its 250th anniversary, Robert L. Rodriguez combines cutting-edge science, numismatic research, and detective work to uncover new evidence about one of the nation's most enigmatic artifacts.
No AU55 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1827 50c Square Base 2, O-124 AU55
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1827 50C Square Base 2, O-124, R.5, XF45 PCGS. ...
XF45
PCGS
$1,952
1827 50C Square Base 2, O-124, R.5, VF35 PCGS. O-124a was delisted as "merely die erosion" by BHNC in 2000, per Stephen J. ...
VF35
PCGS
$854
1827 50C Square Base 2, O-124, R.5, Fine 15 PCGS. CAC. PCGS Population: (0/5). NGC Census: (0/3). CDN: $97.50.Whsle. Bid fo...
F15
PCGS
$480
Greysheet News
Science Meets 1776: New Whitman Book Reopens the Mystery of the Continental Dollar
10/28/2026
Whitman Prestige™ Becomes One of the Hobby's Fastest-Growing Premium Coin Album Lines
More than 125 album variations now span 25+ series and collections, as Whitman expands the line with a modern U.S. Type Collection, new Proof Set albums, digital registry sets, and My First Album™ starter collections for the next generation of collectors.
10/23/2026
Historic 1792 Half Disme Brings Record $2.93 Million, Leads Heritage's GACC Numismatic Auctions Above $19 Million
Newly discovered 1867-S Half Eagle also shatters previous auction record in $10.665 million U.S. coins event; 1934 $10,000 Federal Reserve Note Leads $8.7 million U.S. currency auction.
10/15/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
Location: Heritage Auctions
Tuesday, September 1, 2026