We could only wish that it had a fine old family name but alas there is no engraving and happily no removal.
Prevear was a silversmith, watchmaker, and inventor. He was born in Northampton (1818) and apprenticed to Samuel Harrington of Amherst, who later became his partner. He married Olive Hanscome in Amherst (1843), and after her death married a second time (1856) to Elizabeth Pranker, an 1853 graduate of Mount Holyoke Female Seminary, now Mt. Holyoke College...
One or two mouse clicks in a Google search window will find you any number of similar examples which are lighter, shorter, fatigued and pricier. For example, lot 159 in Case's January 2016 sale (which weighed a full thirty-three percent less, at 4 oz. Troy) fetched 1240.00).
Our only American assay office was located in the city of Baltimore, circa 1814-30...