AN EARLY 20TH CENTURY RUBY AND DIAMOND MONOGRAM PENDANT
With entwined ruby and rose-cut diamond double M monogram for The Grand Duke Michael of Russia, beneath a rose-cut diamond Russian crown, circa 1910, converted from a stickpin
AN EARLY 20TH CENTURY RUBY AND DIAMOND MONOGRAM PENDANT
With entwined ruby and rose-cut diamond double M monogram for The Grand Duke Michael of Russia, beneath a rose-cut diamond Russian crown, circa 1910, converted from a stickpin
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