Up for consideration is The Bennett Tunnel and Machine Company stock certificate from 1915:

#1538

Issued to Theo. L. Meier for 20 shares on July 29, 1915

Signed by George R. Bennett as president

Incorporated in Arizona

Datelined Denver, Colorado

Capital stock of $6,000,000

Printer: The W. H. Kistler Stat’y Co., Denver

Uncancelled

Certificate in good condition

Vignette of an eagle

Company developed a tunneling machine for use in mines and railroads.  Machine drove rectangular or square tunnels with no blasting necessary.  Claimed to replace old methods of tunneling that used single drills, blasting and ventilating which was slow, cumbersome and costly.  Company headquarted in Denver.