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Newly discovered 1867-S Half Eagle also shatters previous auction record in $10.665 million U.S. coins event; 1934 $10,000 Federal Reserve Note Leads $8.7 million U.S. currency auction.
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Rarity ratings provided courtesy of the Bust Half Nut Club Rarity Ratings Committee as published in their 2020 BHNC study report.
Obverse Description
OBV. 4. S1UH, S7B-JCHb, S8UE, S13LH. Star 2 is recut with two distinct extra upper right points. Date is 11 mm., one of the widest in the bust series. A tall straight open top knobbed 2, with a square base
Reverse Description
Three joined segments near leaves REV. D. A1UE, A2UE, A3UH. 50 C. is 1 ¼ mm. and low. A-A is 1 mm. Triple segments form a triad opposite pair of leaves and below tip of wing. Right side of T and left side of I in line. 5 tipped sharply to right. (65,65,65,64,64) R.1
Source: Overton (Whitman Publishing)
Catalog Information
GSID:
194239
Designer:
John Reich
Obverse Designer:
John Reich
Obverse Lettering:
LIBERTY, 1820
Reverse Designer:
John Reich
Reverse Lettering:
UNITED STATES OF AMERICA, E PLURIBUS UNUM, 50 C.
Fineness:
0.89
Weight (gr):
13.48 gr
Weight (oz):
0.4755 oz
Precious Metal Weight:
0.3868 oz
Strike Type:
Business
Diameter:
32.5
Coin Shape:
Round
Edge:
Lettered
Variety:
Square Base 2, Knob 2
Variety 2:
O-105a
Coin Date:
1820
Denomination:
50c
Designation:
MS
Mint Location:
Philadelphia
Mintage:
751,122
Coinage Type:
Capped bust half dollar
Coinage Years:
1807-1836
Composition:
89% silver; 11% copper
Rarity:
3
PCGS #:
39568
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Subject: I would like to contribute catalog info to CDN for 1820 50c Square Base 2, Knob 2, O-105a MS
Body: Referring page: http://www.greysheet.com/prices/item/1820-50c-overton-o-105a-square-base-2-large-date-knob-2-bust-half-dollar/gsid/194239 GSID: 194239 Title: 1820 50c Square Base 2, Knob 2, O-105a MS
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Coin Value History
1820 50c Square Base 2, Knob 2, O-105a MS
Value By Grade
1820 50c Square Base 2, Knob 2, O-105a MS
CPG (retail) values
Currency
Grade Range
Grading Authority
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Pricing
Values
Greysheet & CPG® Values
| Grade | CAC | CPG Value (Retail) | Greysheet Price (Wholesale) |
|---|---|---|---|
| MS65 |
|
$42,500 | $1,234 |
| MS65 | - | $35,500 | $1,234 |
| MS64 |
|
$1,234 | $1,234 |
| MS64 | - | $1,234 | $1,234 |
| MS63 |
|
$1,234 | $1,234 |
| MS63 | - | $1,234 | $1,234 |
| MS62 |
|
$1,234 | $1,234 |
| MS62 | - | $1,234 | $1,234 |
| MS61 |
|
$1,234 | $1,234 |
| MS61 | - | $1,234 | $1,234 |
| MS60 |
|
$1,234 | $1,234 |
| MS60 | - | $1,234 | $1,234 |
| AU58 |
|
$1,234 | $1,234 |
| AU58 | - | $1,234 | $1,234 |
| AU55 |
|
$1,234 | $1,234 |
| AU55 | - | $1,234 | $1,234 |
| AU53 |
|
$1,234 | $1,234 |
| AU53 | - | $1,234 | $1,234 |
| AU50 |
|
$1,234 | $1,234 |
| AU50 | - | $1,234 | $1,234 |
| XF45 |
|
$1,234 | $1,234 |
| XF45 | - | $1,234 | $1,234 |
| XF40 |
|
$1,234 | $1,234 |
| XF40 | - | $1,234 | $1,234 |
| VF35 |
|
$1,234 | $1,234 |
| VF35 | - | $1,234 | $1,234 |
| VF30 |
|
$1,234 | $1,234 |
| VF30 | - | $1,234 | $1,234 |
| VF25 |
|
$1,234 | $1,234 |
| VF25 | - | $1,234 | $1,234 |
| VF20 |
|
$1,234 | $1,234 |
| VF20 | - | $1,234 | $1,234 |
| F15 |
|
$1,234 | $1,234 |
| F15 | - | $1,234 | $1,234 |
| F12 |
|
$1,234 | $1,234 |
| F12 | - | $1,234 | $1,234 |
| VG10 |
|
$1,234 | $1,234 |
| VG10 | - | $1,234 | $1,234 |
| VG8 |
|
$1,234 | $1,234 |
| VG8 | - | $1,234 | $1,234 |
| G6 |
|
$1,234 | $1,234 |
| G6 | - | $1,234 | $1,234 |
| G4 |
|
$1,234 | $1,234 |
| G4 | - | $1,234 | $1,234 |
| AG3 |
|
$1,234 | $1,234 |
| AG3 | - | $1,234 | $1,234 |
Capped Bust Half Dollar 50c Lettered Edge, 1807-1836 MS [Type]
![Capped Bust Half Dollar 50c Lettered Edge, 1807-1836 MS [Type]](https://images.greysheet.com/ctc/catalog/1807_50c_au58.jpg?MaxWidth=200&Mode=Pad&Scale=UpscaleCanvas&format=webp)
Worth: $38 – $115,000
1807 50c Capped Bust, 50/20 MS
Worth: $100 – $78,000
1807 50c Bearded Goddess, 50/20 MS
Worth: $1,600 – $60,000
1807 50c Capped Bust, Small Stars MS
Worth: $100 – $84,000
1807 50c Capped Bust, Large Stars MS
Worth: $100 – $300,000
1808/7 50c Overdate MS
Worth: $58 – $60,000
1808 50c MS
Worth: $43 – $55,200
1809 50c XXX Edge MS
Worth: $80 – $38,400
1809 50c MS
Worth: $50 – $30,000
1809 50c III Edge MS
Worth: $65 – $63,000
1810 50c MS
Worth: $40 – $48,000
1811/10 50c Punctuated Date MS
Worth: $75 – $32,400
1811 50c Large 8 MS
Worth: $43 – $48,000
1811 50c Small 8 MS
Worth: $43 – $115,000
1812/1 50c Large 8 MS
Worth: $1,200 – $28,800
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
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
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS....
$2,040
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU58 ANACS. ...
$2,040
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, XF40 PCGS. PCGS Population: (4/5). NGC Census: (1/8). XF40....
$660
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 PCGS. ...
$1,116
1820 Capped Bust Half Dollar. O-105a. Rarity-3. Square Base Knob 2, Large Date. AU Details--Improperly Cleaned (NGC).
$529
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
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. ...
$1,380
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU58 PCGS. ...
$1,920
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU53 ANACS. NGC Census: (2/4). PCGS Population (1/3). ...
$881
1820 50C Square Base 2, Large Date, Knob, O-105a, R.3, AU55 PCGS. CAC. ...
$1,410
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Events
Knoxville Coin and Currency Show - TN
Location: Rothchild Catering & Conference Center
Saturday, August 1, 2026
