Announcing that you have the Holy Grail is, of course, a tourism draw. It has been since the medieval period, when Europeans taking part in the Crusades would bring back “relics” from Jerusalem.

Monty Python And The Holy Grail, lobbycard, rear from left: Eric Idle, Michael Palin, center from left: John Cleese, Terry Jones (helmet), Graham Chapman as King Arthur (front), 1975.