Up for consideration is The Foss International Ore Reduction Co. stock certificate from 1913:

 

#84

Issued to Alice E. Sperry for 2500 shares on June 13, 1913

Signed by W. C. Rapp as secretary and B. P. Q. Foss as president

Incorporated in Arizona

Capital stock of $1,500,000

Printer: Marshall-Jackson Co. Chicago

Uncancelled

Certificate in good condition

 

The Foss International Ore Reduction Co. was a historical metallurgical enterprise headquartered in San Francisco, California. In the early 1910s, the company successfully operated ore reduction processes (such as chlorination or leaching) on complex ores, particularly noting a 95% extraction rate for copper-bearing and precious metal ores.