A diamond-set gold brooch by Boucheron
A diamond-set gold brooch by Boucheron, c1960, of openwork foliate design and set with round brilliant-cut diamonds in textured yellow gold, with hinged double pin, signed Boucheron and Made in France, French control mark (rubbed), inventory number (obscured) with London import mark for 1964 and with sponsor's mark BMCco, 6cm high