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 MS61
Coin Value History
1827 50c Square Base 2, O-142 MS61
1827 50C Square Base 2, O-142, R.3, MS61 PCGS. ...
MS61
PCGS
$1,645
1827 50C Square Base 2, O-142, R.2, MS62 PCGS....
MS62
PCGS
$1,560
1827 50C Square Base 2, O-142, R.2, MS63 PCGS. CAC....
MS63
PCGS
$3,360
1827 50C Square Base 2, O-142, R.2, MS64 PCGS. CAC....
MS64
PCGS
$3,600
1827 Capped Bust Half Dollar. O-142. Rarity-2. Die State 142.1. Square Base 2. AU-58 (PCGS). CAC.
AU58
PCGS
$840
1827 50C Square Base 2, O-142, R.2, AU58 NGC. NGC Census: (5/4). PCGS Population: (3/6). CDN: $550 Whsle. Bid for NGC/PCGS ...
AU58
NGC
$576
1827 50C Square Base 2, O-142, R.2, AU58 PCGS. PCGS Population: (3/6 and 0/0+). NGC Census: (4/4 and 0/0+). CDN: $650 Whsle...
AU58
PCGS
$900
1827 Capped Bust Half Dollar. O-142. Rarity-2. Square Base 2. MS-64 (NGC).
MS64
NGC
$2,640
1827 50C Square Base 2, O-142, R.2, MS64 PCGS. ...
MS64
PCGS
$3,240
1827 50C Square Base 2, O-142, R.3, MS64 NGC. ...
MS64
NGC
$2,880
1827 50C Square Base 2, O-142, R.2, AU53 NGC. Ex: Skidaway Island Collection. NGC Census: (2/12). PCGS Population: (3/13). ...
AU53
NGC
$324
1827 50C Square Base 2, O-142, R.2, XF45 PCGS. PCGS Population: (3/17). NGC Census: (3/15). CDN: $190 Whsle. Bid for NGC/PC...
XF45
PCGS
$216
1827 50C Square Base 2, O-142, R.2, XF40 NGC. NGC Census: (4/18). PCGS Population: (5/20). CDN: $150 Whsle. Bid for NGC/PCG...
XF40
NGC
$169
1827 50C Square Base 2, O-142, R.2, XF40 NGC. NGC Census: (4/17). PCGS Population: (5/19). CDN: $160 Whsle. Bid for NGC/PCG...
XF40
NGC
$149
1827 50C Square Base 2, O-142, R.2, XF45 PCGS. CAC. PCGS Population: (3/16). NGC Census: (3/14). CDN: $190 Whsle. Bid for N...
XF45
PCGS
$228
1827 Capped Bust Half Dollar. O-142. Rarity-3. Square Base 2. VF-25 (PCGS).
VF25
PCGS
$70
1827 50C Square Base 2, O-142, R.3, VF30 PCGS. PCGS Population: (1/20). NGC Census: (1/22). ...
VF30
PCGS
$104
1827 50C Square Base 2, O-142, R.3, XF40 PCGS. PCGS Population: (5/15). NGC Census: (3/14). XF40. ...
XF40
PCGS
$138
1827 50C Square Base 2, O-142, R.3, AU53 PCGS. Ex: Frederick Collection. PCGS Population: (1/10). NGC Census: (2/8). AU53....
AU53
PCGS
$312
1827 50C Square Base 2, O-142, R.3, XF45 PCGS. PCGS Population: (3/12). NGC Census: (3/11). XF45. ...
XF45
PCGS
$216
1827 50C Square Base 2, O-142, R.3, XF45 PCGS. PCGS Population: (3/12). NGC Census: (3/12). XF45. ...
XF45
PCGS
$204
1827 50C Square Base 2, O-142, R.3, AU50 NGC. NGC Census: (1/11). PCGS Population: (0/10). CDN: $300 Whsle. Bid for problem...
AU50
NGC
$329
1827 50C Square Base 2, O-142, R.3, -- Cleaned -- ANACS. XF40 Details. NGC Census: (3/13). PCGS Population (4/7). ...
XF40
ANACS
$129
1827 50C Square Base 2, O-142, R.3, AU53 NGC. NGC Census: (2/8). PCGS Population (1/4). From The Skidaway Island Colle...
AU53
NGC
$306
1827 50C Square Base 2, O-142, R.3, -- Cleaned -- ANACS. AU50 Details. NGC Census: (1/9). PCGS Population (0/6). ...
AU50
ANACS
$217
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
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





