Someone bought a photocopy of the unproduced Seinfeld episode "The Gun" (AKA "The Bet") and uploaded the whole thing to the Internet Archive

This is a scanned teleplay of a Seinfeld episode written by Larry Charles. This episode would end up being unproduced due to the cast and crew's concerns about the episode's subject matter. Any handwriting on this scan is from Larry Charles.

https://seinfeld.fandom.com/wiki/The_Bet

“The Bet” (also known as The Gun) is an unproduced episode for Season 2. It was not made due to its controversial subject. It would have been the fourth episode of season 2, and would have aired on February 13, 1991. It was replaced by “The Phone Message”.