circa 1910 The 18K gold ring is set with a sparkling old European cut diamond (approximately 0.48 ct) in a platinum milgrain bezel, which is in […]

A unique sketch of Grand Duchess Olga Nikolaevna’s bookplate (ex libris) by Russian artist Mstislav Dobuzhinsky, circa 1910. Pencil, blue ink, silver paint on paper 7.3 […]