Silver
Lot of ten USA (Philadelphia mint) Barber half dollars, various dates (1901-4), ex-Sulphur Springs recovery (early 1900s).92.59 grams total.Mostly black but some with light-gray crust (as found) over mostly readable details, interesting provenance to a mineral springs resort built in the 1920s by Josiah Richardson in Sulphur Springs, Florida.All from the "Sulphur Springs recovery" (early 1900s) near Tampa, Florida, with certificates.
Estimate: 150-225 USD