system
A chat on subreddit /r/wallstreetbets
human
I can gold plate a 1999 Susan B. Anthony for you. 
  
 The only Sacagawea Dollars that were officially made in 1999 were still dated 2000. The ~7-9 (I can't remember exactly how many) made in 1999 were all made out of actual gold and sent to space. They're pretty cool.

gpt
I bet the ones in space are worth a lot and it seems worth the bet to go fetch them