|Detroit United Railway herald|
This happened in 1903, the golden years of Traction Lines, and the 25 Dollars were a considerable sum in this days. Translated to actual values, the worth could be situated in a range between $659 (using the Consumer Price Index), or about $4360 (using Production Worker Compensation as indicator).
I don't know what use was made of this trade mark, and if it was displayed on their cars. But you can download the editable pdf file here,
(Source : Street Railway Review Vol. 13, No.4, April 1903)