Nicely engraved antique stock certificate from the Security Tube Company of Pennsylvania dating back to the 1920's. This document, which is signed by the company Vice President and Treasurer, was printed by Goes and measures approximately 11" (w) by 8 1/4" (h).
This certificate's vignette features a glowing torch.
The Security Tube Company of Pennsylvania was incorporated in Maryland in 1920.
The company, which was based in Philadelphia, manufactured automobile tires and other accessories.