A concept design for the Lucite crystals used in the production of the sci-fi series Stargate SG-1. The concept design shows the crystal touched by O’Neill in proportion to an actual hand and measurements. The concept design which includes the episode details and the date; ‘24/04/97 drawn by ‘KR’, and has interesting annotations. The piece was made for and featured in the series one episode ‘Cold Lazarus’. Sheet measures 43cm x 28cm (17” x 11”).