Union navy uniform buttons, composed probably of brass or copper alloy, with raised upright foul anchor design on horizontal line background and rope border on forward face and backmark inscription that reads "Superfine Standard," with copper alloy attachment clip on back. Images show assortment of Union navy buttons following removal from the submarine interior sediment and initial cleaning, two buttons showing forward face and one showing reverse side and clip following mechanical cleaning, four buttons all showing forward face following mechanical cleaning, one button showing forward face and one button showing reverse side with keyring on eyelet following mechanical cleaning, two buttons showing forward face and one button showing reverse side with keyring on eyelet following mechanical cleaning, one button showing forward face and one button showing reverse side with clip following mechanical cleaning, and close-up of two buttons following mechanical cleaning, one showing forward face in background and one showing lateral view of reverse side with clip in foreground.
Cameo-type, non-military button with profile of bearded, male head in brass on white stone wafer with scalloped rim. Images show the button prior to deconcretion and cleaning, and the cleaned button following conservation treatment and sediment removal.
Copper alloy Union infantry buttons, most likely pre-Civil War Federal infantry, with raised Federal eagle clasping three arrows and olive branch and shield containing a capital "I" in the center. Images show forward face of buttons in varying conditions following removal from the submarine interior sediment and initial cleaning, and close-up of three of the buttons following mechanical cleaning, with reverse side of one button showing inscription on back and broken eyelet.
Domed brass or copper alloy non-military buttons, two-pieced with raised shank and hoop on back. Images show buttons in varying conditions following removal from submarine interior sediment and initial cleaning, and four buttons showing forward face domed metal after conservation and one untreated button for comparison purposes showing reverse side with loop.
Non-military brass buttons stamped with design and either two- or four-hole depressed center. Images show four buttons following removal from submarine interior sediment and initial cleaning and two buttons following cleaning and treatment, one showing a stamped rope design and one showing a stamped star design.
Union navy uniform buttons, composed probably of brass or copper alloy, with raised upright foul anchor design on horizontal line background and rope border on forward face and backmark inscription that reads "Superfine Standard," with copper alloy attachment clip on back. Images show five buttons in similar condition following removal from the submarine interior sediment, three buttons showing forward face and one button missing backing showing interior following soaking and cleaning, and one button showing forward face and one button with missing backing showing interior following soaking and cleaning.
Brass Confederate artillery buttons with stylized "A" on forward face and inscription and thread loop on reverse side. Images show the forward and reverse face of the buttons, with buttons in varying conditions following removal from submarine interior, four buttons after cleaning and conservation treatment with forward face showing, and two buttons, one showing forward face and one showing reverse side with eyelet and inscription reading "Halfmann & Taylor, Montgomery", after cleaning and conservation treatment.
