"This cymbal here I will buy from you for $40 right now," he said, calling it the Holy Grail. He walked away from a chance to buy it once in Istanbul and has regretted it ever since. But that doesn't recoup Weiss' initial investment, so he instead got his old friend to do him a favor.
So he had Copeland sign the drums, and suddenly you're looking at a very nice collector's item -- or items if the set is broken up. In the end, Weiss was able to double his money,