6804-334 Lot of two Sheffield braces. Both unplated with pushbutton chucks. One is by MATHIESON & SONS and marked "Warranted Socket"; the other is unsigned with user initials and ebony head with "Warranted Superior" brass medallion. Good (CDE) 40-80 NOTE: Initial bids accepted until 5pm EST Saturday, June 15. Bids may be raised by phone until 10pm EST on Sunday, June 16.