Rectangular ivorine case, 81 x 62 x 17.5mm, the lid inscribed Assay Weights / 1000 = 5 Gramme / L. Oertling Ltd, London. E.C.  The base stamped with serial number 32692.  20 compartments with sheet weights marked 1000, 900, 800, 700, 600, 500, 400, 300, 200, 100, 90, 80, 70, etc.

The firm changed its name to Oertling Ltd in 1919.