San Francisco's Alcatraz marks 79th anniversary

Former inmate Robert Luke, on the left with his mugshot behind him, compares his memories at Alcatraz with retired Correctional Officer George DeVincenzi during a presentation in the dining hall of the prison.

August 11, 2013 2:43:16 PM PDT
San Francisco is commemorating the 79th anniversary of the opening of Alcatraz.

Six men who served as guards on the island attended Sunday's celebrations.

Several special presentations took place and postal service employees issued special commemorative postcards and stamps in the island's gift shop.