Whitman Expo
The November 2026 Rarities Night Session, as well as the entire November 2026 Showcase Auction, is available for viewing and pre-sale bidding at www.stacksbowers.com.
No G4 photos on record yet — showing auction lots of this item in other grades
Coin Value History
1828 50c Curl Base 2, Knob G4
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1828 Capped Bust Half Dollar. O-106. Rarity-4. Curls Base Knob 2. AU Details--Repaired (PCGS).
$366
1828 Capped Bust Half Dollar. O-107. Rarity-1. Curls Base Knob 2. EF Details--Cleaned (PCGS).
$220
1828 50C Curl Base 2, Knob, VG8 PCGS. PCGS Population: (2/138). NGC Census: (0/0). CDN: $70 Whsle. Bid for NGC/PCGS VG8 . ...
VG8
PCGS
$99
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 NGC VF20 (Curl Base 2 Knob)
VF20
NGC
$210
1828 50c PCGS VF25 (Curl Base 2 Knob)
VF25
PCGS
$160
1828 50c PCGS VF30 (Curl Base 2 Knob)
VF30
PCGS
$225
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, XF40 PCGS. CDN: $280 Whsle. Bid for NGC/PCGS XF40. ...
XF40
PCGS
$512
1828 Capped Bust Half Dollar. O-107. Rarity-1. Curls Base Knob 2. AU-50 (PCGS).
AU50
PCGS
$960
1828 Capped Bust Half Dollar. O-107. Rarity-1. Curls Base Knob 2. MS-63 (PCGS).
MS63
PCGS
$3,600
1828 50C Curl Base 2, Knob, O-107, R.1, AU58 PCGS....
AU58
PCGS
$1,560
1828 50C Curl Base 2, Knob, O-107a, High R.6, AU53 NGC....
AU53
NGC
$780
1828 50C Curl Base 2, Knob, O-106, R.4, MS63 NGC....
MS63
NGC
$3,840
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-106, R.4, XF40 PCGS. PCGS Population: (4/12). NGC Census: (3/10). CDN: $336 Whsle. Bid for NG...
XF40
PCGS
$360
1828 50C Curl Base 2, Knob, -- Wire Brushed -- ANACS. AU50 Details. ...
AU50
ANACS
$180
1828 50c PCGS XF45+ (Curl Base 2 Knob)
XF45
PCGS
$950
1828 50C Curl Base 2, Knob, O-107, R.1, MS62 PCGS. ...
MS62
PCGS
$3,000
1828 50C Curl Base 2, Knob, O-106, R.4, AU55 NGC. NGC Census: (3/4). PCGS Population: (3/5). AU55. From The Founding ...
AU55
NGC
$1,080
50C 1828 CURL BASE 2 WITH KNOB TOP PCGS MS61
MS61
PCGS
$3,200
1828 50C Curl Base 2, Knob MS66 NGC. ...
MS66
NGC
$9,200
Greysheet News
Property from an Alabama Family, a World-Class Cabinet of Patterns, and Other Important Collections Anchor Stack's Bowers Galleries' November 2026 Rarities Night Auction
11/12/2026
Special Half Dollars Placed in Circulation
The U.S. Mint has randomly placed 250,000 privy-marked Enduring Liberty half dollars from the West Point Mint into circulation, a tribute to victims of terrorist attacks.
11/11/2026
1796 Coin in Post-ANA Auction Rarities Session
On September 1, Stack's Bowers conducted a Rarities Night session in California as part of this firm's post-ANA World's Fair of Money® auction extravaganza.
11/9/2026
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