Whitman Expo
Commissioners reviewed reverse designs for the four American Innovation dollars scheduled to be released in 2028 and obverse and reverse designs for the 2027 issues in the Comic Art Coin and Medal Program.
No VG8 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1820 50c Square Base 2, Knob 2, O-105a VG8
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1820 Capped Bust Half Dollar. O-105a. Rarity-3. Square Base Knob 2, Large Date. AU Details--Improperly Cleaned (NGC).
$529
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, VF35 PCGS. Ex: Manhattan Collection. CDN: $367.50 Whsle. Bid for NGC...
VF35
PCGS
$476
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, XF40 PCGS. PCGS Population: (4/5). NGC Census: (1/8). XF40....
XF40
PCGS
$660
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, XF45 PCGS. PCGS Population: 1 in 45, 6 finer (10/25). CDN: $656.25 W...
XF45
PCGS
$702
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, XF45 PCGS. PCGS Population: (1/5 and 0/1+). NGC Census: (1/9 and 0/0...
XF45
PCGS
$1,110
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 PCGS. ...
AU53
PCGS
$1,116
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 ANACS. NGC Census: (2/4). PCGS Population (1/3). ...
AU53
ANACS
$881
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS....
AU55
PCGS
$2,040
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. ...
AU55
PCGS
$1,380
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. CAC. ...
AU55
PCGS
$1,410
Greysheet News
Review Held for Dollars, Comic Art Coins and Medals
11/6/2026
The Business of Numismatics: November 2026 Greysheet Editor's Letter
The rare coin market so far in 2026 has been somewhat volatile, with greater price swings happening over a shorter period of time when compared to historical norms.
11/4/2026
Whitman Expos Prepares for Flagship Baltimore Show November 12-14 Amid Hot Numismatic Market
Free three-day Fall Expo brings Stack's Bowers Galleries Showcase Auction lot viewing, a 2026 U.S. 250th Anniversary coins, educational programming, and one of the hobby's biggest dealer floor to the Baltimore Convention Center.
11/4/2026
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