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The Greysheet Catalog (GSID) of the U.S. Assay Office - Augustus Humbert series of Pioneer & Territorial Gold in the U.S. Coins contains 8 distinct entries with CPG® values between $21,000.00 and $720,000.00.
Augustus Humbert, a New York watchcase maker, was appointed United States assayer, and he placed his name and the government stamp on the ingots of gold issued by Moffat & Co. The assay office, a provisional government mint, was a temporary expedient to accommodate the Californians until the establishment of a permanent branch mint. The fifty-dollar gold piece was accepted by most banks and merchants as legal tender on a par with standard U.S. gold coins and was known variously as a slug, quintuple eagle, or five-eagle piece. It was officially termed an ingot.

Catalog Detail

  U.S. Assay Office - Augustus Humbert Value Range Favorite
U.S. Assay Office - Augustus Humbert Value Range  
1851 G$50 Humbert, 880 THOUS, 50 Rev, Lettered Edge, K-1 MS
$51,000
-
$576,000
$51,000 - $576,000
1851 G$50 Humbert, 880 THOUS, No 50, Lettered Edge, K-2 MS
$54,000
-
$374,500
$54,000 - $374,500
1851 G$50 Humbert, 887 THOUS, 50 Rev, Lettered Edge, K-4 MS
$60,000
-
$720,000
$60,000 - $720,000
1851 G$50 Humbert, Target Rev, 880 THOUS, Reeded Edge, K-5 MS
$29,000
-
$240,000
$29,000 - $240,000
1851 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-6 MS
$21,000
-
$516,000
$21,000 - $516,000
1851 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-6 PR
-
 
1851 G$50 Humbert, Target Rev, 887 THOUS, No 50, Lettered Edge, K-7 MS
$29,500
-
$108,000
$29,500 - $108,000
1852 G$50 Humbert, Target Rev, 887 THOUS, Reeded Edge, K-11 MS
$26,500
-
$317,000
$26,500 - $317,000

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Greysheet Catalog Details

The Greysheet Catalog (GSID) of the U.S. Assay Office - Augustus Humbert series of Pioneer & Territorial Gold in the U.S. Coins contains 8 distinct entries with CPG® values between $21,000.00 and $720,000.00.
Augustus Humbert, a New York watchcase maker, was appointed United States assayer, and he placed his name and the government stamp on the ingots of gold issued by Moffat & Co. The assay office, a provisional government mint, was a temporary expedient to accommodate the Californians until the establishment of a permanent branch mint. The fifty-dollar gold piece was accepted by most banks and merchants as legal tender on a par with standard U.S. gold coins and was known variously as a slug, quintuple eagle, or five-eagle piece. It was officially termed an ingot.

Catalog Detail