Alcatraz Penitentiary - SOLD 2.60" Showcase Concrete backtoschool2025 with estimated ages between 140

with estimated ages between 140

A small information card is included with each specimen that also serves as the certificate of authenticity

but then so was Pyroraptor

This specimen is a piece of Roman glass which is over 1

but unmistakable

Alcatraz Penitentiary - SOLD 2.60" Showcase Concrete backtoschool2025 with estimated ages between 140This is an authentic piece of concrete from Alcatraz Penitentiary. Yes, an actual piece of The Rock!" This particular specimen measures 2. 60" 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.