Alcatraz Island - Golden Gate National Recreation Area
Photo -- See Caption Below

Key Spoon
Spoon shaped into key. Possibly using machine tools in one of the prison workshops, an inmate carved the teeth of a key into the handle of this spoon. Officers had to keep keys covered with metal sleeves, so that inmates could not see and copy their distinctive patterns.
Metal. L 15.2 cm, W 3.0 cm
Golden Gate National Recreation Area, GOGA 2952