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Details
A "Quatre" ring, by Boucheron
Composed of four-coloured bands of either polished, reeded or raised square motifs, finger size P/Q, French mark
Signed Boucheron, indistinct numbering
Composed of four-coloured bands of either polished, reeded or raised square motifs, finger size P/Q, French mark
Signed Boucheron, indistinct numbering