Non-excavated. Unfired. Exact shell pictured on page 56, figure
31 of the book, Heavy Artillery Projectiles of the Civil War, 1861-1865,
by Sydney Kerksis and Thomas Dickey. This shell was imported by the
Confederates. Written in old lettering, ‘CONFEDERATE RIFLE PROJECTILE,
NORFOLK NAVY YARD, C.S.A.". On the opposite side is "CSA 100 and
stamped in the metal appear to be four letters "_ _ RH". Having three
rows with four brass studs in each row, inclined at about 120 degrees, that
would correspond to Armstrong’s cannon rifle. The base is flat.
This is the only known specimen.

