Alcatraz Penitentiary - 2.604" Showcase Concrete bags Remove surface dust with a

Remove surface dust with a clean

This specimen is an authentic fragment of fossil dinosaur dung

Above: Artist's Concept of the Tethys Sea during the Cretaceous (Source: Mini Museum)

88" polished Phylloceras fossil from Madagascar

was recovered in Northwest Africa in the year 2000

Alcatraz Penitentiary - 2.604" Showcase Concrete bags Remove surface dust with aThis is an authentic piece of concrete from Alcatraz Penitentiary. Yes, an actual piece of The Rock!" This particular specimen measures 2. 604" 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.