This razor is a model No. 1 Optimo made by Wester & Butz in Solingen & imported into the US by Wester Bros in New York City. This model features a hollow grind with a square point for a more aggressive visual element. The scales are made from translucent green celluloid featuring the model number and brand name. The tang is stamped with the model number and brand name as well as some decorative detailing.