Alcatraz Penitentiary - 3.019" Showcase Concrete rockinaboxalcatraz and because the sand and

and because the sand and the shells are essentially the same size

It is a great piece of jewelry with cool tones and an intriguing pattern

The Grateful Dead Set List

Split specimens are precision cut to reveal the interior spiral

Alcatraz Penitentiary - 3.019" Showcase Concrete rockinaboxalcatraz and because the sand andThis 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.