D. Imbert (active 1810)
Alexander I (17771825), Tsar of Russia (1801-1825), wearing dark green jacket with gold piping, buttons and red standing collar with gold embroidery, black stock, blue moiré sash and breast star of the Russian Order of St Andrew.
Signed on the obverse and dated D. Imbert. 1810, gilt-metal frame.
Rectangular, 49mm (1 15/16in) high