Assortment of non-military buttons made of mother-of-pearl, all following surface cleaning and desalination. Images show seven two-holed buttons in varying conditions, four four-holed buttons in varying conditions, forward face of one no-holed button with metal shank and brass hoop back, and the reverse side of one no-holed button with metal shank and brass hoop back.
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.
Assortment of non-military four-holed buttons made of glass, possibly ceramic. Images show twenty-five buttons in varying conditions as well as designs showing forward face, seven buttons in varying conditions as well as designs showing forward face, and same seven buttons showing reverse side.
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.
Cylindrical canteen stopper made of cork. Images show two conditions of the cork stopper, the first showing the cork stopper following removal from submarine interior and initial cleaning, and the second showing the cork following super critical treatment.
Cylindrical canteen stopper made of cork. Images show two conditions of the cork stopper, the first showing the cork stopper following removal from submarine interior and initial cleaning, and the second showing the cork following super critical treatment.
Cylindrical canteen stopper made of cork. Images show two conditions of the cork stopper, the first showing the cork stopper following removal from submarine interior and initial cleaning, and the second showing the cork following super critical treatment.
Cylindrical canteen stopper made of cork. Images show two conditions of the cork stopper, the first showing the cork stopper following removal from submarine interior and initial cleaning, and the second showing the cork following super critical treatment.
Cylindrical canteen stopper made of cork. Images show two conditions of the cork stopper, the first showing the cork stopper following removal from submarine interior and initial cleaning, and the second showing the cork following super critical treatment.
Cylindrical canteen stopper made of cork. Images show two conditions of the cork stopper, the first showing the cork stopper following removal from submarine interior and initial cleaning, and the second showing the cork following super critical treatment.
