Overall: 3 5/8 x 3 1/4 in. ( 9.2 x 8.3 cm )
Amethyst pressed glass tumbler; cylindrical form with plain rim, with eight panels; portrait busts (three-quarter view) of Napoleon III and his consort enclosed in medallions on either side of tumbler, interspersed with floral decorations.
pressed: along inside edge of medallion: "NAPOLEON III EMPEREUR" pressed: along inside edge of other medallion: "SA MAJESTE L'IMPERATRICE"
Due to ongoing research, information about this object is subject to change.