Up for consideration is The Silver Key Mining Company stock certificate from 1882, very rare:

 

#33

Issued to W. G. Greene for 6,333 shares on August 11, 1882

Signed by W. J. Wenner as president and Mandus Thomas as secretary

Incorporated in Utah

Capital stock of $2,000,000

Datelined Salt Lake City, Utah

Total of 9 documentary stamps on back (various condition)

Uncancelled

Certificate in good condition

Vignette of miners / eagle at center, silver key at bottom

 

The company claims were the Tigur, the Silver Key, and the Old Judge, located in Utah.  The Tigur was the principal claim which was situated on Penyon Hill, south of Walker and Buckeye mines.