Four glass champaign coupes from the Imperial Banquet service
Imperial Glass Factory, St. Petersburg, 1850s
wide circular bowls with moulded exterior, resting on faceted long stem, stepped support and scalloped circular stand, centred with enamelled medallion with gilt foil insert depicting crowned Cyrillic monogram 'AM' against ermine mantling, all unmarked (4)
height: 12cm (4 3/4in).