Y D Taxi
Old Orchard Beach, Maine

Maker: Unknown  (Ebay: Atlas-Outlet)

Y. D.'s manager, Walter M. Towle was a World War I veteran and served the town in various capacities during the 1920s.

Yellow Cab
Baltimore, Maryland

Maker: Diamond Match Co. New York NY  (Matchcover Collector: Taxi & Cabs)

Cab laws allowed drivers to charge for extra passengers beyond a specified number (usually two), but competition (especially from jitneys, which charged by the head) persuaded some companies to charge by the carload.