CAC approved and CACG encapsulated coins fared well in public sales during the month of September 2026.
Auction lot photos of this item graded AU50
Coin Value History
1828 50c Curl Base 2, Knob, O-107 AU50
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.1, AU55 NGC. NGC Census: (3/11). PCGS Population: (2/9). AU55. From The Founding...
AU55
NGC
$840
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, XF45 NGC. Ex: The Skidaway Island Collection. NGC Census: (0/0). PCGS Populatio...
XF45
NGC
$282
1828 50C Curl Base 2, Knob, O-107, R.2, -- Cleaned -- ANACS. XF45 Details. NGC Census: (0/0). PCGS Population (1/12)....
XF45
ANACS
$141
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.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.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, 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.1, MS62 PCGS. ...
MS62
PCGS
$3,000
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, 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, -- Cleaning -- PCGS Genuine. From The Donald R. Frederick Collection of Early U....
$153
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, MS61 PCGS. ...
MS61
PCGS
$2,115
1828 50C Curl Base 2, Knob, O-107, R.2, MS63 NGC. ...
MS63
NGC
$2,350
Greysheet News
Trump Dollar Offered in Bags, Rolls
In early September, the U.S. Mint began selling bags and rolls of Semiquincentennial one-dollar coins.
10/12/2026
Denver Mint Silver: Rarities of the 20th Century
On nine occasions in the 20th century, the Denver Mint produced fewer than one million coins in a certain year and denomination.
10/9/2026
Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026





