Whitman Expo
On September 1, Stack's Bowers conducted a Rarities Night session in California as part of this firm's post-ANA World's Fair of Money® auction extravaganza.
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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
Send Catalog Feedback
Subject: I would like to contribute catalog info to CDN for 1852 G$10 Augustus Humbert, California Left, K-10b MS
Body: Referring page: http://www.greysheet.com/prices/item/1852-augustus-humbert-ten-dollar-kagin-10b-california-aligned-left-territorial-gold-coinage/gsid/375998 GSID: 375998 Title: 1852 G$10 Augustus Humbert, California Left, K-10b MS
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Events
Heritage Auctions: US Currency Tuesday Select Auction
Location: Heritage Auctions
Tuesday, September 1, 2026
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Tuesday, September 1, 2026
Heritage Auctions: World & Ancient Coins ANA Signature Auction & Platinum Session
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Tuesday, September 1, 2026