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.
Auction lot photos of this item graded MS64
Coin Value History
1828 50c Curl Base 2, Knob, O-107 MS64
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1828 50C Curl Base 2, Knob, O-107, R.1, MS64 PCGS. CAC....
MS64
PCGS
$7,200
1828 50C Curl Base 2, Knob, O-107, R.1, MS65 PCGS. Ex: Friend. One of only two Curl 2, Knob varieties, the other (O-106) ha...
MS65
PCGS
$9,600
1828 50C Curl Base 2, Knob, O-107, R.2, MS65 PCGS. ...
MS65
PCGS
$11,400
1828 50C Curl Base 2, Knob, O-107, R.2, MS63 PCGS. ...
MS63
PCGS
$3,360
1828 50C Curl Base 2, Knob, O-107, R.2, MS63 PCGS. ...
MS63
PCGS
$3,760
1828 50C Curl Base 2, Knob, O-107, R.2, MS63 NGC. ...
MS63
NGC
$2,350
1828 50C Curl Base 2, Knob, O-107, R.1, MS62 PCGS. ...
MS62
PCGS
$3,000
1828 50C Curl Base 2, Knob, O-107, R.2, MS61 PCGS. ...
MS61
PCGS
$2,115
1828 50C Curl Base 2, Knob, O-107, R.1, AU58 PCGS....
AU58
PCGS
$1,560
1828 50C Curl Base 2, Knob, O-107, R.2, AU58 PCGS. ...
AU58
PCGS
$1,320
1828 50C Curl Base 2, Knob, O-107, R.1, XF40 PCGS. CDN: $280 Whsle. Bid for NGC/PCGS XF40. ...
XF40
PCGS
$512
1828 50C Curl Base 2, Knob, O-107, R.1, Fine 12 PCGS. Ex: Manhattan Collection. CDN: $98 Whsle. Bid for NGC/PCGS Fine 12. ...
F12
PCGS
$149
1828 50C Curl Base 2, Knob, O-107, R.1, Fine 15 PCGS. CDN: $115 Whsle. Bid for NGC/PCGS Fine 15. ...
F15
PCGS
$149
1828 50C Curl Base 2, Knob, O-107, R.1, VF35 PCGS. Ex: Manhattan Collection. CDN: $230 Whsle. Bid for NGC/PCGS VF35. ...
VF35
PCGS
$355
1828 50C Curl Base 2, Knob, O-107, R.1, VF35 PCGS. ...
VF35
PCGS
$415
1828 50C Curl Base 2, Knob, O-107, R.1, VF35 PCGS. Ex: Manhattan Collection. PCGS Population: 2 in 35, 26 finer (11/25). CD...
VF35
PCGS
$396
1828 50C Curl Base 2, Knob, O-107, R.1, AU55 NGC. NGC Census: (3/11). PCGS Population: (2/9). AU55. From The Founding...
AU55
NGC
$840
1828 Capped Bust Half Dollar. O-107. Rarity-2. Curl Base Knob 2. AU Details--Cleaned (PCGS).
$312
1828 50C Curl Base 2, Knob, O-107, R.2, AU55 PCGS. PCGS Population: (3/8). NGC Census: (2/11). AU55. From A Small Cal...
AU55
PCGS
$552
1828 50C Curl Base 2, Knob, O-107, R.2, XF45 PCGS. PCGS Population: (1/18). NGC Census: (3/19). XF45. From The S. R. Coll...
XF45
PCGS
$228
1828 50C Curl Base 2, Knob, O-107, R.2, AU55 PCGS. CAC. PCGS Population: (3/7). NGC Census: (2/10). AU55. ...
AU55
PCGS
$720
1828 50C Curl Base 2, Knob, O-107, R.2, AU50 PCGS. PCGS Population: (4/13). NGC Census: (3/15). AU50. ...
AU50
PCGS
$432
1828 50C Curl Base 2, Knob, O-107, R.2, AU58 NGC. NGC Census: (3/6). PCGS Population: (2/5). CDN: $825 Whsle. Bid for probl...
AU58
NGC
$852
1828 50C Curl Base 2, Knob, O-107, R.2, -- Cleaning -- PCGS Genuine. From The Donald R. Frederick Collection of Early U....
$153
1828 50C Curl Base 2, Knob, O-107, R.2, XF45 NGC. Ex: The Skidaway Island Collection. NGC Census: (0/0). PCGS Populatio...
XF45
NGC
$282
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
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