DIAMETER:  4.1 inches
GUN: 30-pounder Parrott Rifle, 4.2-inch Caliber
LENGTH: 10 1/4 inches
WEIGHT: About 25 pounds
CONSTRUCTION: Common shell
SABOT: Lead Ring
FUZING: Brass fuze plug

This specimen has three flame grooves and a brass Hotchkiss time fuze plug.  This is a very rare Hotchkiss in the 30-pounder caliber size.