Le Gramme 's ruler has been made in France from sterling silver and levelled using a planer to ensure all of its six surfaces is perfect â" they alternative between polished and brushed finishes and have centimetre and inch markings. Stamped with the hallmark, weight and brand logo and stowed in a neat presentation box, this piece is the thoughtful gift for a budding architect or mathematician. - - Polished and brushed-sterling silver - Weight and brand stamps - Comes with box - This piece has been certified in accordance with the Hallmarking Act 1973 - MRPORTER.COM is a certified member of the Responsible Jewellery Council - Made in France