Issue Date: October 1, 1989
City: Orlando, FL
Printed By: Bureau of Engraving and Printing
Printing Method: Lithographed and engraved
A pre-historic dimension was added to stamp collecting when the Postal Service issued a block of four Dinosaur stamps. They were issued on October 1st, to coincide with the beginning of National Stamp Collecting Month.
U.S. #2423 pictures the winged pteranodon soaring high overhead.