Alcatraz Penitentiary - Classic Riker Box Specimens allosaurus The 10 Specimen (SMALL) Second

The 10 Specimen (SMALL) Second Edition of the Mini Museum measures approximately 3" wide x 4" tall x 1" thick and contains 10 different specimens:

such as a hooked beak or talons

The specimen is housed within a glass-topped riker display case

572 galvanized wires

a rare class of stony-iron meteorites

Alcatraz Penitentiary - Classic Riker Box Specimens allosaurus The 10 Specimen (SMALL) SecondThis is an authentic fragment of concrete from Alcatraz Penitentiary. Yes, an actual piece of The Rock!" This specimen, from the famous Alcatraz island, saw some 1,500 prisoners pass by it during the prison's operation. An informational card that serves as certificate of authenticity is included.