Jason Clarke Antiques has dated this piece to the 1800s.
Comprised of a steel balance with brass pans suspended on green chord and original fitted toleware case with silk lining to the lid, baize to the base and a fitted section containing to original weights marked 2/16 & 5/8 and both marked with an anchor stamp.
Sadly no makers mark but a nice complete set in great condition.
Jason Clarke Antiques has dated this piece to the 1800s.
You can view the stock and full dealer information on the Jason Clarke Antiques Profile Page