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1820 50c Square Base 2, Knob 2, O-105a G4 CAC
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Coin Value History
1820 50c Square Base 2, Knob 2, O-105a G4 CAC
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1820 50c Square Base 2, Knob 2, O-105a MS

G4 CAC

1820 50c Square Base 2, Knob 2, O-105a

Greysheet & CPG® Price Guide
+0.0%
Greysheet (2026)
$1,234
Wholesale
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Price History
+0.0%
CPG (2026)
$1,234
Retail
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Price History

Auction Prices

No G4 CAC sales on record yet — showing the closest results
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1820 Capped Bust Half Dollar. O-105a. Rarity-3. Square Base Knob 2, Large Date. AU Details--Improperly Cleaned (NGC).
1820 Capped Bust Half Dollar. O-105a. Rarity-3. Square Base Knob 2, Large Date. AU Details--Improperly Cleaned (NGC).
$529
Sold 8/13/2011
Stack’s Bowers Galleries
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
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, VF35 PCGS. Ex: Manhattan Collection. CDN: $367.50 Whsle. Bid for NGC...
$476
Sold 7/27/2026
Heritage Auctions
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
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, XF40 PCGS. PCGS Population: (4/5). NGC Census: (1/8). XF40....
$660
Sold 3/27/2018
Heritage Auctions
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
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...
$702
Sold 1/12/2026
Heritage Auctions
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
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...
$1,110
Sold 7/1/2024
Heritage Auctions
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 PCGS. ...
AU53 PCGS
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 PCGS. ...
$1,116
Sold 8/4/2017
Heritage Auctions
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 ANACS. NGC Census: (2/4). PCGS Population (1/3). ...
AU53 ANACS
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 ANACS. NGC Census: (2/4). PCGS Population (1/3). ...
$881
Sold 7/10/2016
Heritage Auctions
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS....
AU55 PCGS
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS....
$2,040
Sold 1/14/2025
Heritage Auctions
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. ...
AU55 PCGS
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. ...
$1,380
Sold 1/9/2020
Heritage Auctions
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. CAC. ...
AU55 PCGS CAC
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. CAC. ... CAC approved
$1,410
Sold 9/11/2016
Heritage Auctions
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Auction Prices, Other Grades

Recent public sale records for this item in other grades
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1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU58 ANACS. ...
AU58 ANACS
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU58 ANACS. ...
$2,040
Sold 4/1/2024
Heritage Auctions
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU58 PCGS. ...
AU58 PCGS
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU58 PCGS. ...
$1,920
Sold 11/9/2018
Heritage Auctions
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