![3734901] Trade card and postcard for William R. Winn, Sole Manufacturer of the Excelsior...](https://rareamericana.cdn.bibliopolis.com/pictures/3734901.jpg?width=320&height=480&fit=bounds&auto=webp&v=1747757421)
Trade card and postcard for William R. Winn, Sole Manufacturer of the Excelsior Gasoline, Suitable for all kids of Gas Machines….
A late 19th-century New York petroleum trade card for William R. Winn advertising Excelsior brand gasoline and machinery oils for industrial or domestic gas machines..... Read More about Trade card and postcard for William R. Winn, Sole Manufacturer of the Excelsior Gasoline,...