Whitman Expo
Half Dome Collection Indian $10, $5, and $2.50 coins now listed by CAC as the top-rated sets of their kind, and $20 Saints are a whisper away.
Thank you to our sponsors!
Go check them out!
With fewer than 15 examples known in private hands, the Kagin-1 Humbert $50 is as challenging to locate as a Kellogg $50. Three, or perhaps, four examples are known in mint state, and any choice AU specimen would be considered part of the condition census.
Obverse Description
Eagle clutching shield and scroll inscribed LIBERTY UNITED STATES OF AMERICA 880-THOUs 50D C
Reverse Description
50 punched in the center of engine turning
Catalog Information
GSID:
11782
Designer:
Augustus Humbert
Obverse Designer:
Augustus Humbert
Obverse Lettering:
LIBERTY UNITED STATES OF AMERICA 880-THOUs 50D C
Reverse Designer:
Augustus Humbert
Reverse Lettering:
50
Strike Type:
Business
Coin Shape:
Octagonal
Edge:
Lettered
Variety:
Humbert
Variety 2:
880 THOUS, 50 Rev, Lettered Edge, K-1
Coin Date:
1851
Denomination:
G$50
Designation:
MS
Mint Location:
California
Mintage:
<15 known
Coinage Type:
Private & Pioneer Gold
Coinage Years:
1851-1852
Composition:
Gold
Rarity:
H6
PCGS #:
10199
Send Catalog Feedback
To: editor@greysheet.com
Subject: I would like to contribute catalog info to CDN for 1851 G$50 Humbert, 880 THOUS, 50 Rev, Lettered Edge, K-1 MS
Body: Referring page: http://livetest.greysheet.com/prices/item/1851-humbert-fifty-dollar-lettered-edge-880-thous-50-reverse-kagin-1-territorial-gold-coinage/gsid/11782 GSID: 11782 Title: 1851 G$50 Humbert, 880 THOUS, 50 Rev, Lettered Edge, K-1 MS
Subscribe to View
View more data, info, and visualizations. Get access to retail and wholesale pricing as well as auction data.
Coin Value History
1851 G$50 Humbert, 880 THOUS, 50 Rev, Lettered Edge, K-1 MS
Value By Grade
1851 G$50 Humbert, 880 THOUS, 50 Rev, Lettered Edge, K-1 MS
CPG (retail) values
Currency
Grade Range
Grading Authority
Sort by
Pricing
Values
Greysheet & CPG® Values
| Grade | CAC | CPG Value (Retail) | Greysheet Price (Wholesale) |
|---|---|---|---|
| MS62 |
|
$576,000 | $1,234 |
| MS62 | - | $480,000 | $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 |
| VF20 |
|
$1,234 | $1,234 |
| VF20 | - | $1,234 | $1,234 |
1851 G$50 Humbert, 880 THOUS, No 50, Lettered Edge, K-2 MS
Worth: $45,000 – $312,000
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
1851 Augustus Humbert $50. Lettered Edge. K-1. Rarity-6+. 50 DC, 800 THOUS, 50 on Reverse. AU-55 (PCGS).
$156,000
1851 $50 LE Humbert Fifty Dollar, 880 Thous. 50 Rev.--Obverse Damage--NCS. AU Details. ...
$63,250
1851 $50 LE Humbert Fifty Dollar, 880 Thous. 50 Rev. MS62 NGC. ...
$287,500
1851 $50 LE Humbert Fifty Dollar, 880 Thous. 50 Rev. XF45 PCGS. K-1, R-6+. Although the large fifty dollar slugs were an im...
$94,875
$5,775
$195,500
$9,350
$14,300
Greysheet News
Legend Numismatics Reveals Wall Street Executive's Greatest Ever 20th Century Gold Collection
8/6/2026
Stack's Bowers Galleries Opens New Gallery in San Francisco
Rare Currency and Rich Local Heritage Highlight the Newest Location for the Numismatic Auction House.
8/5/2026
The King of Morgan Dollars Comes to GreatCollections
An Excessively Rare 1893-S in Gem Mint State PCGS MS-65 CAC
7/30/2026
Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: World Paper Money Tuesday Select Auction
Location: Heritage Auctions
Tuesday, June 2, 2026
Heritage Auctions: US Coins Tuesday & Wednesday Select Auction
Location: Heritage Auctions
Wednesday, June 3, 2026