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The Kagin-2 Humbert $50 is the most readily available lettered edge slug, with approximately 100 examples known in private hands, and 15-20 mint state specimens known. Three examples of this variety were found on the wreck of the S.S. Central America, and at least two K-2 $50s have been identified with blundered edge inscriptions.
Obverse Description
Eagle clutching shield and scroll inscribed LIBERTY UNITED STATES OF AMERICA, 880-THOUs 50D C
Reverse Description
Engine turning
Catalog Information
GSID:
11780
Designer:
Augustus Humbert
Obverse Designer:
Augustus Humbert
Obverse Lettering:
LIBERTY UNITED STATES OF AMERICA, 880-THOUs 50D C
Reverse Designer:
Augustus Humbert
Strike Type:
Business
Coin Shape:
Octagonal
Edge:
Lettered
Variety:
Humbert
Variety 2:
880 THOUS, No 50, Lettered Edge, K-2
Coin Date:
1851
Denomination:
G$50
Designation:
MS
Mint Location:
California
Mintage:
Approx. 100 known
Coinage Type:
Private & Pioneer Gold
Coinage Years:
1851-1852
Composition:
Gold
Rarity:
5
PCGS #:
10196
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Coin Value History
1851 G$50 Humbert, 880 THOUS, No 50, Lettered Edge, K-2 MS
Value By Grade
1851 G$50 Humbert, 880 THOUS, No 50, Lettered Edge, K-2 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) |
|---|---|---|---|
| MS63 |
|
$374,500 | $1,234 |
| MS63 | - | $312,000 | $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 |
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. AU53 PCGS. CAC. K-2. ...
$183,000
1851 Augustus Humbert $50. Lettered Edge. K-2. Rarity-5. 50 DC, 880 THOUS., No 50 on Reverse. AU-55 (PCGS). CAC. CMQ.
$360,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. AU50 PCGS. K-2, R.5....
$87,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. AU58+ NGC. CAC. K-2, R.5. ...
$132,000
1851 Augustus Humbert $50. Lettered Edge. K-2. Rarity-5. 50 DC, 880 THOUS, No 50 on Reverse. AU Details--Repaired (NGC).
$27,600
1851 Humbert Fifty Dollar, Lettered Edge, 880 Thous. MS62 NGC. K-2, R.5. ...
$132,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. MS61 NGC. K-2, R.5. ...
$117,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. MS63 PCGS. K-2, R.5. ...
$240,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. XF40 NGC. K-2, R.5. ...
$38,400
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. MS60 PCGS Secure. K-2, R.5. ...
$180,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 THOUS. XF45 PCGS. CAC. K-2, R.5 ....
$74,750
HUMBERT $50 LE 880
$5,720
1851 Augustus Humbert $50. Lettered Edge. K-2. Rarity-5. 50 DC, 880 THOUS., No 50 on Reverse. AU-53 (PCGS).
$132,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. AU55 PCGS. K-2, R.5. ...
$264,000
$17,000
1851 Augustus Humbert $50. Lettered Edge. K-2. Rarity-5. 50 DC, 880 THOUS, No 50 on Reverse. AU-58 (NGC).
$81,000
1851 Augustus Humbert $50. Lettered Edge. K-2. Rarity-5. 50 DC, 880 THOUS, No 50 on Reverse. EF Details--Damage (PCGS).
$37,200
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, No 50, 880 Thous. MS62+ NGC. K-2, R.5. ...
$217,375
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. MS61 NGC. K-2, R.5. ...
$120,000
1851 $50 LE Humbert Fifty Dollar, Lettered Edge, 880 Thous. MS63 NGC. CAC. ...
$352,500
1851 G$50 Humbert, 880 THOUS, 50 Rev, Lettered Edge, K-1 MS
Worth: $42,500 – $480,000
1851 G$50 Humbert, 887 THOUS, 50 Rev, Lettered Edge, K-4 MS
Worth: $50,000 – $624,000
1851 G$50 Humbert, Target Rev, 880 THOUS, Reeded Edge, K-5 MS
Worth: $25,000 – $200,000
1851 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-6 MS
Worth: $19,000 – $430,000
1851 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-6 PR
Worth: $5,000,000 – $5,000,000
1851 G$50 Humbert, Target Rev, 887 THOUS, No 50, Lettered Edge, K-7 MS
Worth: $42,000 – $108,000
1852 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-11 MS
Worth: $22,000 – $264,000
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Events
Midlands Coin Club Coin, Currency and Collectibles Show - SC
Location: Medallion Center
Friday, May 1, 2026
