This is the most
commonly encountered Absterdam projectile pattern. Most of these examples are found with
the Absterdam fuze missing. There are no known battlefield recoveries of the Absterdam
Pattern II projectiles known to the authors. Stamped into the brass sabot is
"ABSTERDAM'S PATENT FEB. 23, 1864." John Absterdam's patent for this projectile
was #41,668.
