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 G6 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1820 50c Square Base 2, No Knob G6
Thank you to our sponsors!
Go check them out!
1820 Capped Bust Half Dollar. O-106. Rarity-1. Square Base No Knob 2, Large Date. VG-8 (PCGS).
VG8
PCGS
$192
1820 50c PCGS AG-03 (Square Base 2 Large Date No Knob)
AG3
PCGS
$400
1820 50C No Knob
VG10
$72
1820 50C Square 2, Large Date, No Knob, O-106, R.2, Fine 12 PCGS. CDN: $130 Whsle. Bid for NGC/PCGS Fine 12....
F12
PCGS
$268
1820 Capped Bust Half Dollar. O-106. Rarity-2. Square Base No Knob 2, Large Date. VF Details--Cleaned (PCGS).
$232
1820 50C Square Base No Knob 2, Large Date Fine 15 ANACS. O-106, R.1. The design elements have light silver color with medi...
F15
ANACS
$109
1820 50C Square 2, Large Date, No Knob, O-108, R.2, VF20 PCGS. CDN: $175 Whsle. Bid for NGC/PCGS VF20. ...
VF20
PCGS
$354
1820 50C Square Base 2, Large Date, No Knob, O-106, R.2 -- Cleaned -- ANACS Details. VF20. ...
VF20
ANACS
$139
1820 50C Square 2, Large Date, No Knob, O-108, R.2, VF25 PCGS. CDN: $210 Whsle. Bid for NGC/PCGS VF25. ...
VF25
PCGS
$366
1820 50C Square Base 2, Large Date, No Knob, O-108, R.2, VF30 NGC. CDN: $260 Whsle. Bid for NGC/PCGS VF30. Mintage 751,122....
VF30
NGC
$293
1820 Capped Bust Half Dollar. O-106. Rarity-2. Square Base No Knob 2, Large Date. AU Details--Cleaned (PCGS).
OGP
PCGS
$488
1820 50C Square 2, Large Date, No Knob, O-106, R.2, VF35 PCGS. CDN: $340 Whsle. Bid for NGC/PCGS VF35....
VF35
PCGS
$354
1820 50C Square Base 2, Large Date, No Knob, O-106, R.2, AU53 PCGS. PCGS Population: 5 in 53, 13 finer (10/25). CDN: $900 W...
AU53
PCGS
$1,098
1820 50C Square Base 2, Large Date, No Knob, O-108, R.2, XF40 PCGS. PCGS Population: 8 in 40, 30 finer (10/25). CDN: $425 W...
XF40
PCGS
$439
1820 50C Square 2, Large Date, No Knob, O-108, R.2, XF45 PCGS. CDN: $525 Whsle. Bid for NGC/PCGS XF45....
XF45
PCGS
$561
1820 50C Square Base 2, Large Date, Knob 2, O-108, R.2, AU55 PCGS. CAC. CDN: $1,800 Whsle. Bid for NGC/PCGS AU55....
AU55
PCGS
$2,575
1820 50C Square Base 2, Large Date, No Knob, O-106, R.2, MS63 PCGS....
MS63
PCGS
$13,200
1820 50C Square Base 2, Large Date, No Knob, O-108, R.2, AU50 ANACS....
AU50
ANACS
$504
1820 Capped Bust Half Dollar. O-106. Rarity-2. Square Base No Knob 2, Large Date. MS-65 PL (NGC).
MS65
NGC
$66,000
1820 50C Square Base 2, Large Date, No Knob, O-106, R.2, AU58 PCGS....
AU58
PCGS
$3,360
1820 50C Square Base 2, Large Date, No Knob, O-106, R.2, MS61 NGC. ...
MS61
NGC
$3,030
50C 1820 LARGE DATE. SQUARE 2. NO KNOB. PCGS MS64
MS64
PCGS
$14,688
1820 50c Square Base 2, Large Date, No Knob, O-106, R.1, MS62 PCGS. ...
MS62
PCGS
$3,240
1820 50c Square Base 2, Large Date, No Knob, O-106, R.1, MS60 NGC. Gold CAC. ...
MS60
NGC
$6,462
1820 Capped Bust Half Dollar. Overton-108. Rarity-2. Square Base No Knob 2, Large Date. Mint State-66+ (PCGS).
MS66
PCGS
$70,500
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