53-18-142. A large & redefined collegiate shape with state of the art technical attributes. 100% pure titanium plated in 12k silver or 24k gold combined with Japanese cotton-based acetate temple tips & hidden spring hinges. Highly intricate and multi-dimensional etching applied to the titanium & rim wire, accentuated with high quality enamel insets. Individually numbered and handmade in Japan from the world’s finest artisanal craftsmen.