left: Blue enamel and ruby egg pendant, c. 1900 (at 1stdibs)center: Gold and ruby egg pendant, c. 19
left: Blue enamel and ruby egg pendant, c. 1900 (at 1stdibs)center: Gold and ruby egg pendant, c. 1900 (at 1stdibs)right: Pink enamel and ruby egg pendant, c. 1900 (at 1stdibs)All of Russian origin, none with maker’s marks. -- source link
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