Western Prospects: Discovering Americana & Numismatics

Early Comstock assay piece. Memorandum of Assay of Bullion deposited at the Assay Office of Van Wyck & Co. by the Savage Mining Co. (Bassets Mil...

Five receipts from the Virginia City office of Wells, Fargo $ Co.'s Express for the transport of bars of bullion to San Francisco. All bars were...

This is a check to assayer Conrad Wiegand for $14.50 from the Imperial Silver Mining Co. Signed by superintendent A. C. Hamilton. Please see photo for

A truly fabulous piece of Comstock and Nevada history: an original sign from a famous Virginia City assayer, Wiegand & Company. Physical Char...

German language dissertation on chemical analysis. 56 pages, 6 x 9". City: State: , Date: 1862 FHWAC#: 25012

Eight stacking sieves made by the WS Tyler Co., sold by Van Waters & Rogers, longtime suppliers to assay houses and geologic firms & mining ...

Lot of 2: 1) silver, Zacatecas, Mexico, mounted in plastic case, 2) silver, Honduras, 76.4 grams. City: State: , Date: FHW

Lot of 3: 1) argentite in chaleopyrite and calcite, Valencia Mine, Guanajuato, Mexico, 26.2 grams; 2) silver and chrysocolla, Sonora, Mexico, mounted

Lot of 2 silver specimens from Batopilas, Mexico. New Nevada Mine, 17 grams. Smaller piece mounted in a plastic case. City: Mexico, Batopilas

Lot of 4 native silver specimens from Chihuahua Mexico. 53.2 grams, 53.1 grams, 73.1 grams, 328.4 grams. City: Mexico, Chihuahua State:

Lot of 8: 1) silver and argentite from El Bote` Mine, 245.3 grams; 2) silver and silver pyrite from Fresnillo, 61.6 grams; 3) Argentite, Fresnillo, 12

This 1.25" x 1.75" x 0.25" mineral sample features fine gold figuring and was mined in Mariposa, CA. City: Mariposa County State:...

This is a fine sample of gold quartz from Fred Willoughby manager of the Midnight Mine in Aspen, Colorado. The rock measures 3.5”x 2.5” and is in a di

Student's Collection of Twenty Minerals, Ores, and Petrifactions Collected from the Mines, Mountains, and Gorges of Colorado. Each Specimen Corr...

Lot of 14 samples from various mining operations. Included are quartz from the Mad Mutha Mine, The 10 Mile District, Stonehouse, The Sleeper Mine, Gol

Quartz showing pyrite and other sulfides. One piece with native gold in the form of a small wire in tiny quartz crystals. City: Rawhide Sta

1-2) High grade Bullfrog gold ore. 79.2g, no label but probably Montgomery Shoshone. possibly an early collected sample. and 33.3 grams, another high

Lot of 4 gold samples from Round Mountain area. Included are an 0.3 troy oz. of gold, 13 small samples of gold ore from Round Mountain Mining Co. Prop

Original Great West Plug Tobacco Tin made by Empire Tobacco Co. with a Wells Fargo San Francisco label on the front used possibly as a shipping label.

Peacock Ore, also known as Bornite, is a copper mineral sometimes mined in Mexico. This stone was mined in Mexico at a mine in Cosalia in 1965 Known