gold and sapphire ‘day and night’ cufflinks

A rare pair of 18 carat gold cufflinks reversible from gold to square cut sapphire, signed and numbered: Boucheron, Paris, 30030, circa 1950, France.

weight: 20 grams
dimensions: 14 x 15 mm.

Period1950-1960-1970
PriceSold
Please find me a jewel like this