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.
Auction lot photos of this item graded AU53
Coin Value History
1827 50c Square Base 2, O-145 AU53
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, AU55 PCGS....
AU55
PCGS
$2,520
1827 50C Square Base 2, O-145, R.5, AU55 PCGS. ...
AU55
PCGS
$3,240
1827 50C Square Base 2, O-145, R.5, MS63 PCGS. CAC. ...
MS63
PCGS
$7,638
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, VF25 PCGS. PCGS Population: 4 in 25, 14 finer (10/25). CDN: $280 Whsle. Bid for NGC/PCG...
VF25
PCGS
$427
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, 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
Greysheet News
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
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10/15/2026
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Tuesday, September 1, 2026
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Tuesday, September 1, 2026
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Tuesday, September 1, 2026





