Alcatraz Island, Vintage Postcard, Federal Penitentiaty, Aviation Stamp, 1982

Dimensions: 11 x 15 cm. (4.1 x 5.9″)

Publisher/Editor: Smith Novelty Co., San Francisco, California

Condition: Postally used, backside written and postmarked. Good condition.

Notes: Alcatraz Island is a small island 1.25 miles offshore from San Francisco, California, United States. The island was developed in the mid-19th century with facilities for a lighthouse, a military fortification, and a military prison. (Wikipedia)