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.
Auction lot photos of this item graded MS64
Coin Value History
1827 50c Square Base 2, O-120a MS64
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1827 50C Square Base 2, O-120a, R.2, MS64 PCGS. ...
MS64
PCGS
$5,280
1827 50C Square Base 2, O-120a, R.2, MS64 NGC. ...
MS64
NGC
$2,640
1827 50C Square Base 2, O-120a, R.3, MS64 PCGS. ...
MS64
PCGS
$2,832
1827 50C Square Base 2, O-120a, R.3, MS64 PCGS. CAC. ...
MS64
PCGS
$3,203
1827 50C Square Base 2, O-120a, R.2, MS65 PCGS. ...
MS65
PCGS
$5,368
1827 50C Square Base 2, O-120a, R.2, MS65 NGC....
MS65
NGC
$6,600
1827 50C Square Base 2, O-120a, R.2, MS65 NGC....
MS65
NGC
$4,920
1827 50C Square Base 2, O-120a, R.3, MS63 NGC. ...
MS63
NGC
$1,620
1827 50C Square Base 2, O-120a, R.3, MS62 PCGS. ...
MS62
PCGS
$1,110
1827 Capped Bust Half Dollar. O-120a. Rarity-3. Square Base 2. MS-62 (PCGS).
MS62
PCGS
$1,320
1827 50C Square Base 2, O-120a, R.2, AU53 PCGS. Ex: Peterson. PCGS Population: 4 in 53, 17 finer (10/25). CDN: $302.50 Whsl...
AU53
PCGS
$390
1827 50C Square Base 2, O-120a, R.2, AU53 PCGS....
AU53
PCGS
$576
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. CAC. PCGS Population: (8/8). NGC Census: (6/12). CDN: $375 Whsle. Bid for N...
AU55
PCGS
$552
1827 Capped Bust Half Dollar. O-120a. Rarity-2. Die State 120.2. Square Base 2. AU-55 (PCGS).
AU55
PCGS
$408
1827 Capped Bust Half Dollar. O-120a. Square Base 2. AU-55 (NGC).
AU55
NGC
$480
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. PCGS Population: (8/8). NGC Census: (6/12). CDN: $380 Whsle. Bid for NGC/PC...
AU55
PCGS
$360
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. PCGS Population: (8/8). NGC Census: (6/12). CDN: $380 Whsle. Bid for NGC/PC...
AU55
PCGS
$372
1827 50C Square Base 2, O-120a, R.2, AU55 PCGS. Ex: Link. PCGS Population: (8/8 and 0/1+). NGC Census: (6/12 and 0/0+). CDN...
AU55
PCGS
$840
1827 Capped Bust Half Dollar. O-120a. Rarity-2. Square Base 2. AU-53 (ANACS). OH.
AU53
ANACS
$384
1827 50C Square Base 2, O-120a, R.3, VF35 NGC. NGC Census: (1/29). PCGS Population: (0/26). VF35. ...
VF35
NGC
$132
1827 50C Square Base 2, O-120a, R.3, XF45 PCGS. PCGS Population: (5/19). NGC Census: (2/19). XF45. ...
XF45
PCGS
$192
1827 50C Square Base 2, O-120a, R.3, AU58 PCGS. ...
AU58
PCGS
$764
1827 50C Square Base 2, O-120a, R.3, XF45 NGC. NGC Census: (2/19). PCGS Population: (5/12). ...
XF45
NGC
$212
1827 50C Square Base 2, O-120a, R.3, AU58+ PCGS. ...
AU58
PCGS
$1,998
1827 Capped Bust Half Dollar. O-120a. Rarity-3. Square-Base 2. MS-61 (NGC).
MS61
NGC
$1,653
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