the helmet to centre with rounded head and closed visor, facing left, set upon the batons, with baguette, old European and single-cut diamonds, signed 'Cartier London', serial number W351, accompanied by IAJA Expertise report no. XP1700-180424 signed by Olivier Bachet & Bernhard Berger declaring that in their opinion this is a 'genuine Cartier item' by Cartier London Width 4.5cm / 1�'' Weight: 12.5g