US Navy Cuff Button / Sold

Federal Navy Button, eagle over horizontal anchor, Scovill Mfg Co, dm.  Button depicts eagle over horizontal anchor surrounded by 13 stars, pattern prevalent from the 1850's onward, generally intended for US Navy officers.  Backmark:  "SCOVILL MFG Co / (dot) WATERBURY (dot)" dm, no rings.  Two part convex button, cuff size.  

Reference: Albert NA112, Tice NA227As&Am25