Dug 1850's Civil War Black Hard Rubber Syringe With Plunger

Dug 1850's Civil War black hard rubber syringe with plunger. It measures 6 1/8" with the plunger fully pushed in. Very tip of the plunger, which is on the inside and not seen, has desintegrated. Just the thread end is left. It was recovered in a pit in Memphis Tenn. and is in good dug condition. $40