Vintage gold-plated metal necklace, Studio M Due Bijoux, in good condition marked Studio M Due Bijoux, pendant dimensions 6.7 cm X 3 cm total necklace length 45.5 cm, see photos. Check out my other items! Reduced shipping costs for combined purchases. Condition: Used item that has been worn. Any imperfections. Brand: Studio M Due Bijoux Type: Necklace with pendant.