I was thrilled to obtain the original vinyl banner for Last Crusade that Crack that whip is referring to, thanks to Ebay quite a few years ago! I payed, what to me at the time, was a healthy sum, but it was well worth it.
Sad to say, it sits in a box at the moment, awaiting that Indy/Movie room I plan to have some day soon. Back in '89, I had hoped to score the giant cardboard display for crusade that was prominent at my local theater as well. But alas, it either got claimed by another, or destroyed.
Conversely, when I tried to stake claim on one of the 2 KOTCS banners in my theaters, one was stolen, I believe, and the other, my theater manager friend was setting aside for her Dad.
Lol! He's probably got it lying in a box somewhere too!
However, when I went after the cardboard display for KOTCS, I was met with success. Now It would be on display, but my ceiling isn't tall enough!
Working at the theater once upon a time, I snagged Banners for Apollo 13, and Braveheart, which I gave to a friend. And well before working there, I bought the Rocketeer banner, and cardboard mobile which I have to this day!