Monty Python and the Holy Grail may still only be for the most dedicated to the group's unique sense of humor, but has aged like fine wine.

Monty Python fans discover 'never seen before' footage – despite watching since 1975 Monty Python fans were surprised by the recently unearthed sketch, which had been created by Terry Gillam.

Fans of the comedy troupe will be able to bid on props and costumes from the live show, and collectibles from Terry Gilliam’s personal collection.