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 XF40 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1827 50c Square Base 2, O-145 XF40
1827 50C Square Base 2, O-145, R.5, VF30 PCGS. PCGS Population: (2/11). NGC Census: (1/3). VF30. From The Founding Fa...
VF30
PCGS
$600
1827 50C Square Base 2, O-145, R.5, AU53 PCGS. PCGS Population: (0/6). NGC Census: (1/3). CDN: $390 Whsle. Bid for NGC/PCGS...
AU53
PCGS
$1,560
1827 50C Square Base 2, O-145, R.5, AU55 PCGS. ...
AU55
PCGS
$4,880
1827 50C Square Base 2, O-145, R.5, VF25 PCGS. PCGS Population: 4 in 25, 14 finer (10/25). CDN: $280 Whsle. Bid for NGC/PCG...
VF25
PCGS
$427
1827 50C Square Base 2, O-145, R.5, AU55 PCGS....
AU55
PCGS
$2,520
1827 Capped Bust Half Dollar. O-145. Rarity-5. Die State 145.1. Square Base 2. VF-25 (PCGS).
VF25
PCGS
$384
1827 50C Square Base 2, O-145, R.5, AU55 PCGS. ...
AU55
PCGS
$3,240
1827 50C Square Base 2, O-145, R.5, VF25 PCGS. PCGS Population: (3/13). NGC Census: (0/4). CDN: $117 Whsle. Bid for NGC/PCG...
VF25
PCGS
$264
1827 50C Square Base 2, O-145, R.5, VF20 PCGS. PCGS Population: (1/13). NGC Census: (0/4). From The Southeast Kansas C...
VF20
PCGS
$470
1827 50C Square Base 2, O-145, R.5, MS63 PCGS. CAC. ...
MS63
PCGS
$7,638
Greysheet News
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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
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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





