Cecil, the collector of rare books ran into his long-time acquaintance Percy and they decided to have a chat in a pub.
Nursing their ales, Percy told Cecil he had just recently thrown away an old Bible that he had found in a dusty, old box in the attic. He mentioned that he had noticed it had been printed by a chap called Guten-somebody-or-other.
“Not Gutenberg?” gasped Cecil.
“Yes, that was the name!”
“You dimwit!” shouted Cecil. “You’ve thrown away one of the first books ever printed. A copy recently sold at an auction for half a million dollars!”
“Oh, I don’t think this book would have been worth anything close to that much,” replied Percy. “It was scribbled all over in the margins by some guy named Martin Luther.”