Approx. 8 in. dia. x 7 in. ht. iron bucket with separately applied top and bottom pieces riveted in place, and pivoting domed lid attached to a riveted stud at one end to allow it to cover and uncover the 3 1/2 in. dia. top hole at will (pockmarked and pitted throughout, with some rusting and significant flaking and wear to black paint surface). Bucket retains original chain link handle with 2 in. dia. O-ring allowing the bucket to be hung from the bottom of the limber or cannon, but lacks the "T" shaped toggle. Chain is attached at either side of the bucket by sturdy panels secured with 3 rivets each.

An important piece of an equipment carried by an artillery gun crew, the grease or tar bucket held the grease used to lubricate the axles of the carriage.