"Who disturbs the Tyrant?" original pencil drawing

A signed original pencil drawing on tracing paper from 1983.  Titled "Who disturbs the Tyrant?"  Commissioned by TSR Hobbies for the front cover of their adventure games brochure. The "cobra rider" was ultimately removed for the colour version. 

Authentication is provided by an accompanying certificate of authenticity, "genuine original artwork" stamped, dated and hand-signed by Rodney Matthews.

Measures 519 (h) x 377 (w) mm, inclusive of mount.

Tracing paper has naturally yellowed with age.  Some visible foxing (small yellow spots), which has now been treated. Three creases are visible on the upper third of the image.  The condition is reflected in the price.