Albert Alexander Louis Pierre Grimaldi - reigning Prince of Monaco and the Duke of Valentinois.
Leucosapphire, cut.
Dimensions: 98 x 94 x 38 mm.
Weight: 637 gr.
Master simultaneously produced another portrait made in sapphire blue.
Sapphire blue, cut.
Dimensions: 91 x 97 x 25 mm.,
Weight: 393 gr.
