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There are approximately 20 1852/1 Humbert $20s in private hands today. Between three and five examples are mint state. A pair of proof 1852/1 $20s are also known, the first of which traces its provenance back to Augustus Humbert, while the second originally belonged to Assay Office employee and founder of Kellogg & Company, John Glover Kellogg.
Obverse Description
Eagle clutching shield and ribbon UNITED STATES OF AMERICA. 884 THOUS: TWENTY DOLS.
Reverse Description
Engine turning AUGUSTUS HUMBERT. UNITED STATES ASSAYER OF GOLD. CALIFORNIA. 1852/1.
Catalog Information
GSID:
11779
Obverse Lettering:
UNITED STATES OF AMERICA. 884 THOUS: TWENTY DOLS.
Reverse Lettering:
AUGUSTUS HUMBERT. UNITED STATES ASSAYER OF GOLD. CALIFORNIA. 1852.
Strike Type:
Business
Coin Shape:
Round
Edge:
Reeded
Variety:
Augustus Humbert
Variety 2:
K-9
Coin Date:
1852/1
Denomination:
G$20
Designation:
MS
Mint Location:
California
Mintage:
Approx. 20 known
Coinage Type:
Private & Pioneer Gold
Coinage Years:
1852
Composition:
Gold
Rarity:
H5
PCGS #:
10193
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Coin Value History
1852/1 G$20 Augustus Humbert, K-9 MS
Value By Grade
1852/1 G$20 Augustus Humbert, K-9 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) |
|---|---|---|---|
| MS64 |
|
$317,000 | $1,234 |
| MS64 | - | $264,000 | $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 |
| VF20 |
|
$1,234 | $1,234 |
| VF20 | - | $1,234 | $1,234 |
1852/1 $20 Humbert Twenty Dollar MS63 PCGS. K-9, High R.5....
$156,000
1852/1 $20 Humbert Twenty Dollar MS64 NGC. K-9, R.6....
$192,000
1852/1 $20 Humbert Twenty Dollar XF40 PCGS. K-9, High R.5....
$19,200
1852/1 $20 Humbert Twenty Dollar AU58 PCGS. K-9, R.6....
$66,000
1852/1 $20 Humbert Twenty Dollar XF45 NGC. K-9, R.6. ...
$18,000
1852/1 $20 Humbert Twenty Dollar, K-9, R.6, MS61 PCGS. CAC. ...
$129,250
1852/1 $20 Humbert Twenty Dollar -- Tooled -- NCS. AU Details. K-9, R.6. ...
$7,638
1852/1 Augustus Humbert $20. Gold. K-9. Rarity-6. VF Details--Smoothed (PCGS).
$7,050
$15,525
$14,950
HUMBERT $20 1852/1
$13,200
1852/1 $20 Humbert Twenty Dollar MS64 NGC. K-9, R.6. ...
$211,500
1852/1 $20 Humbert Twenty Dollar AU58 NGC. K-9, R.6. ...
$43,200
1852/1 $20 Humbert Twenty Dollar MS61 PCGS. K-9, R.6. ...
$141,000
1852/1 $20 Humbert Twenty Dollar AU Details, Tooled, NCS. K-9, R.6. Both fields have been extensively smoothed, and the lef...
$9,200
1852/1 $20 Humbert Twenty Dollar VF Details, Damaged, NCS. K-9, R.6. While 1852 $10 Humberts appear on the market with some...
$6,325
1852/1 $20 Humbert Twenty Dollar AU58 NGC. K-9, R.6. ...
$33,600
1852/1 $20 Humbert Twenty Dollar AU Details, Tooled, NCS. K-9, R.6. Virtually the entire surface has been smoothed in an il...
$7,475
1852/1 $20 Humbert Twenty Dollar AU58 NGC. K-9, R.6. ...
$38,812
$13,225
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Events
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Friday, May 1, 2026
