• Dubosq & Company (1850) Values

Greysheet & Red Book® PRICE GUIDE

coin-icon-tr
Values / U.S. Coins / Private & Pioneer Gold / Dubosq & Company (1850)

The Greysheet Catalog (GSID) of the Dubosq & Company (1850) series of Private & Pioneer Gold in the U.S. Coins contains 2 distinct entries with CPG® values between $30,000.00 and $660,000.00. Theodore Dubosq, a Philadelphia jeweler, took melting and coining equipment to San Francisco in 1849.

The Greysheet Catalog (GSID) of the Dubosq & Company (1850) series of Private & Pioneer Gold in the U.S. Coins contains 2 distinct entries with CPG® values between $30,000.00 and $660,000.00.

Theodore Dubosq, a Philadelphia jeweler, took melting and coining equipment to San Francisco in 1849.

See More See Less
1850 G$5 Dubosq & Co., K-1 MS
Value Range: $30,000 - $48,000
$30,000 - $48,000
1850 G$10 Dubosq & Co., K-2 MS
Value Range: $90,000 - $660,000
$90,000 - $660,000

Available on Greysheet Marketplace

View All
1873 1c Closed 3 MS RB

Buy Now: $2,250.00

1906 1c PR BN

Buy Now: $1,350.00

1898-S $1 MS DMPL

Buy Now: $1,950.00

Dealer Directory

View All Dealers

Greysheet News

View All News
The Business of Numismatics: August 2026 Greysheet Editor's Letter
The Business of Numismatics: August 2026 Greysheet Editor's Letter
8/7/2026

With the month of July and all the celebrations of Independence Day behind us, the rare coin market looks with anticipation to August.

Stack's Bowers Galleries Presents the Extraordinary Mack C. Chase Collection of  Walking Liberty Half Dollars in the 2026 Global Showcase Auction
Stack's Bowers Galleries Presents the Extraordinary Mack C. Chase Collection of Walking Liberty Half Dollars in the 2026 Global Showcase Auction
8/7/2026

"These coins have been off the market for at least 10-15 years, and many of them are in older generation grading holders as well, adding to the excitement," comments John M. Pack.

Legend Numismatics Reveals Wall Street  Executive's Greatest Ever 20th Century Gold Collection
Legend Numismatics Reveals Wall Street Executive's Greatest Ever 20th Century Gold Collection
8/6/2026

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.