This is an antique mussel shell snuff box.
Souvenir from Ste Adresse (France, Normandy, near Le Havre).
" Bte SGDG " (brevet déposé).
Dimensions: 8 x 4 cm Thickness: 3,5 cm
Period: 1880 - 1900
Rather good condition for the age. Only one hairline you can see on pictures.
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