As I grew up in Arizona, this seems reasonable. I found a 100 peso coin which someone had dropped while played on the monkey bars or some such thing. I believed the 100 pesos made me wealthy.
A childhood belief about money

others believed things like this
- I thought a Monkey was just a baby Gorilla and when they grew up their Tails fell off!— Brainhead
- I thought it was illegal to own a minivan if you lived in Arizona. I have no idea how I thought that.— Julia
- I used to believe that the bigger the coin was, the more it was worth.— Benjamin
- I used to believe women were not allowed eat yorkie bars
— greg - i used to believe that the "coin wash" was to clean my dirty pennies.— rmutt
- When i was little my older brother said rocks grew in your poop, so i went digging and never found anyAnon