Pink Floyd - Dark Side Prism Alchemy Gothic Pendant - From the original prism & spectrum artwork for "Dark Side Of The Moon", conceived in 1973 by the rock album design group Hipgnosis and illustrator George Hardie. This officially licensed pendant, made from Fine English Pewter measures about 4cm in length and comes supplied on a chain that measures approximately 54cm in length. Exquisitely crafted in Fine English Pewter and designed and manufactured in the UK by Alchemy Gothic.