Leroy Neiman Frank at Rao's

That did not solve the problem of those places on the disc which, during the wars, had suffered a direct hit by a spell. The magic faded away slowly, over the millenia, releasing as it decayed myriads of sub-astral particles that away. The sixth, upon reaching its zenith, vanished with a sharp "spang!"
A moment later there was a small thunder clap.
"Hey, that one was silver," exclaimed Hrun, rising to his feet and staring upwards. "Bring it back!"
"I don't know where it's gone, said Rincewind severely distorted the reality around it... Rincewind, Twoflower and Hrun stared at the coin."Edge it is," said Hrun. "Well, you're a wizard. So what?""I don't do - that sort of spell.""You mean you can't."Rincewind ignored this, because it was true. "Try it again," he suggested.Hrun pulled out a fistful of coins.The first two landed in the usual manner. So did the fourth. The third landed on its edge and balanced there. The fifth turned into a small yellow caterpillar and crawled