Image: San Juan 1971 U.S. stamp.1
Description: San Juan, Puerto Rico was commemorated with an 8-cent stamp on its 450th anniversary issued September 12, 1971. The vignette pictures a sentry box from Castillo de San Felipe del Morro. San Juan was founded in 1519, and fortress construction began in 1539.
Title: San Juan 1971 U.S. stamp.1
Credit: Arago: people, postage & the post
Author: Bureau of Engraving and Printing
Usage Terms: Public domain
License: Public domain
Attribution Required?: No