The picture below shows a larger front and back view of this Old Pratt & Whitney Aircraft Engine Advertising Premium Key Ring. This key ring is not dated and the year that it was made is unknown. It has a brass or bronze fob on a brown leather backing with a steel keyring. The fob has an eagle and it is marked as follows:
PRATT & WHITNEY DEPENDABLE ENGINES
The key ring measures about 1-5/8'' x 3-1/2''. It appears to be in excellent or better condition as pictured.