Possibly by Pierre-François-Mathis de Beaulieu (French, apprenticed 1752, master 1768)
Four-color gold, enamel
1 3/4 x 3 1/8 x 2 3/8 in. (4.4 x 7.9 x 6 cm)
Gift of J. Pierpont Morgan, 1917 (17.190.1158)
The oval portrait on the cover shows Catherine II. She is surrounded on the four side panels by personifications of a just ruler: strength of spirit, perpetual logic, justice, and wisdom.