Stewart-Warner stock certificate set of 2 

Set of 2 colors.  Very nice vignette of the company factory in Chicago. 

Set of 2 colors!

Stewart-Warner is a US manufacturer of vehicle instruments. The company was founded as Stewart & Clark Company in 1905 by John K. Stewart. Their speedometers were used in the original Model T Fords. In 1912, John Stewart joined with Edgar Bassick to make vehicle instruments and horns.