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-107 MS64
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1827 50C Square Base 2, O-107, R.3, MS64 PCGS. ...
MS64
PCGS
$6,462
1827 50C Square Base 2, O-107, R.3, MS64 PCGS. ...
MS64
PCGS
$6,462
50C 1827 SQUARE BASE 2. OVERTON-107. PCGS MS65
MS65
PCGS
$12,925
1827 50C Square Base 2, O-107, R.3, AU53 ANACS. Mintage 5,493,400....
AU53
ANACS
$408
1827 50C Square Base 2, O-107, R.3, AU53 PCGS....
AU53
PCGS
$720
1827 50C Square Base 2, O-107, R.3, AU53 ANACS. Mintage 5,493,400. From The Founding Fathers Collection of Bust Halv...
AU53
ANACS
$408
1827 50C Square Base 2, O-107, R.3, XF45 ANACS. Mintage 5,493,400....
XF45
ANACS
$268
1827 50C Square Base 2, O-107, R.3, XF45 PCGS. CDN: $190 Whsle. Bid for NGC/PCGS XF45. Mintage 5,493,400....
XF45
PCGS
$264
1827 50C Square Base 2, O-107, R.3, XF45 PCGS. CAC. PCGS Population: (3/9). NGC Census: (4/8). CDN: $209 Whsle. Bid for NGC...
XF45
PCGS
$408
1827 50C Square Base 2, O-107, R.3, XF45 NGC. NGC Census: (4/8). PCGS Population: (2/5). Mintage 5,493,400. ...
XF45
NGC
$204
1827 50C Square Base 2, O-107, R.3, VF35 PCGS. CAC. PCGS Population: 3 in 35, 19 finer. CAC: 1 in 35, 2 finer (10/25). CDN:...
VF35
PCGS
$220
1827 50C Square Base 2, O-107, R.3, XF40 PCGS. PCGS Population: (7/12). Mintage 5,493,400....
XF40
PCGS
$174
1827 50C Square Base 2, O-107, R.3, VF35 PCGS. CAC. PCGS Population: (3/19). NGC Census: (0/16). CDN: $137.50.Whsle. Bid fo...
VF35
PCGS
$234
1827 50C Square Base 2, O-107, R.3, XF40 PCGS. PCGS Population: (7/12). NGC Census: (4/12). CDN: $176 Whsle. Bid for NGC/PC...
XF40
PCGS
$164
1827 50C Square Base 2, O-107, R.3, VF35 PCGS. PCGS Population: (2/15). NGC Census: (0/16). VF35. Mintage 5,493,400. ...
VF35
PCGS
$186
1827 Capped Bust Half Dollar. O-107. Rarity-3. Square Base 2. EF-40 (PCGS).
XF40
PCGS
$216
1827 50C Square Base 2, O-107, R.3, VF30 PCGS. PCGS Population: (1/13). NGC Census: (0/15). Mintage 5,493,400. ...
VF30
PCGS
$144
1827 50C Square Base 2, O-107, R.3, VF30 PCGS. PCGS Population: (1/13). NGC Census: (0/15). Mintage 5,493,400. From ...
VF30
PCGS
$94
1827 50C Square Base 2, O-107, R.3, XF40 PCGS. PCGS Population: (5/7). NGC Census: (3/12). XF40. Mintage 5,493,400. ...
XF40
PCGS
$168
1827 50C Square Base 2, O-107, R.3, XF40 NGC. NGC Census: (3/12). PCGS Population: (4/7). CDN: $130 Whsle. Bid for problem-...
XF40
NGC
$141
1827 50C Square Base 2, O-107, R.3, XF45 PCGS. PCGS Population (1/5). NGC Census: (1/0). Mintage: 5,493,400. ...
XF45
PCGS
$200
1827 50C Square Base 2, O-107, R.3, XF45 PCGS. PCGS Population (0/5). NGC Census: (1/1). Mintage: 5,493,400. ...
XF45
PCGS
$294
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