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1852 G$10 Augustus Humbert, California Left, K-10b MS

Greysheet & CPG® Values
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1852 G$10 Augustus Humbert, California Left, K-10b MS
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After the reverse die on the 1852/1 Humbert $10 failed, a reverse die dated 1852 was made. Like the 1852/1 reverse, this die also cracked. The Kagin-10b has a wide date, and the word CALIFORNIA is further left than usual. Fewer than 10 examples are known, the finest of which is a choice AU.

Obverse Description

Eagle clutching shield and ribbon UNITED STATES OF AMERICA. 884 THOUS: TEN DOLS.

Reverse Description

Engine turning AUGUSTUS HUMBERT. UNITED STATES ASSAYER OF GOLD. CALIFORNIA. 1852.

Catalog Information

GSID: 375998
Obverse Lettering: UNITED STATES OF AMERICA. 884 THOUS: TEN 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: California Left, K-10b
Coin Date: 1852
Denomination: G$10
Designation: MS
Mint Location: California
Mintage: <10 known
Coinage Type: Private & Pioneer Gold
Coinage Years: 1852
Composition: Gold
Rarity: 7
PCGS #: 594969
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Related Items

Other items from this series
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1852/1 G$10 Augustus Humbert, K-8 MS
1852/1 G$10 Augustus Humbert, K-8 MS
Worth: $7,200 – $66,000
1852 G$10 Augustus Humbert, K-10 MS
1852 G$10 Augustus Humbert, K-10 MS
Worth: $7,000 – $1,500,000
1852/1 G$20 Augustus Humbert, K-9 MS
1852/1 G$20 Augustus Humbert, K-9 MS
Worth: $15,000 – $264,000
1852/1 G$20 Augustus Humbert, K-9 PR
Worth: $550,000 – $950,000

Auction Prices

Recent public sale records for this item
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1852 $10 Humbert Ten Dollar VF30 PCGS. K-10a, R.5. ...
1852 $10 Humbert Ten Dollar VF30 PCGS. K-10a, R.5. ...
$10,370
Sold 3/26/2026
Heritage Auctions
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From the Greysheet Marketplace

Live listings from Greysheet dealers
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1852 G$50 U.S. Assay Office, 887 THOUS, K-13 MS
Bid Now: Ends 9/2
1853 G$20 U.S. Assay Office, TWENTY D., 900 THOUS, K-18 MS
Bid Now: Ends 9/4
(1837-42) G$5 C. Bechtler, RUTHERF., 134 GR, 21C, with Star, Plain Edge, K-20 MS
Bid Now: Ends 9/4
1855 G$20 Wass, Molitor & Co., Small Head, K-7 MS
Buy Now
1851 G$50 Humbert, 887 THOUS, 50 Rev, Lettered Edge, K-4 MS
Bid Now: Ends 9/2
1853 G$20 U.S. Assay Office, TWENTY D., 900 THOUS, K-18 MS
Bid Now: Ends 9/4
1853 G$20 U.S. Assay Office, TWENTY D., 900 THOUS, K-18 MS
Bid Now: Ends 9/2
1855 G$50 Wass, Molitor & Co., K-9 MS
Bid Now: Ends 9/2
1851 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-6 MS
Bid Now: Ends 9/2
1853 G$20 U.S. Assay Office, TWENTY D., 900 THOUS, K-18 MS
Bid Now: Ends 9/4
1851 G$50 Humbert, 887 THOUS, 50 Rev, Lettered Edge, K-4 MS
Bid Now: Ends 9/2
1851 G$50 Humbert, Target Rev, 880 THOUS, Reeded Edge, K-5 MS
Bid Now: Ends 9/2
1852 G$50 U.S. Assay Office, 900 THOUS, K-14 MS
Bid Now: Ends 9/2
1860 DT$20 Clark Gruber, Copper Die Trial MS
Bid Now: Ends 9/4
1849 DT$5 Massachusetts & California Co., Copper Die Trial MS BN
Bid Now: Ends 9/4

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