Overall: 3 5/8 x 3 1/4 in. ( 9.2 x 8.3 cm )
pressed: along inside edge of medallion: "NAPOLEON III EMPEREUR"
pressed: along inside edge of other medallion: "SA MAJESTE L'IMPERATRICE"
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.
Due to ongoing research, information about this object is subject to change.