Alcatraz Penitentiary - 3.019" Showcase Concrete rockinaboxalcatraz Above: Fossilized Araucaria

Above: Fossilized Araucaria

The Grateful Dead Set List

legendary French designer responsible for the 1994 revamp of the Air France Concorde interior

953" wood fragment of the original 1923 sign salvaged during the reconstruction

Alcatraz Penitentiary - 3.019" Showcase Concrete rockinaboxalcatraz Above: Fossilized AraucariaThis is an authentic piece of concrete from Alcatraz Penitentiary. Yes, an actual piece of The Rock!" This particular specimen measures 3. 019" along the widest point. This specimen, from the famous Alcatraz Island, saw some 1,500 prisoners pass by it during the prison's operation. A certificate of authenticity is included.