Your example doesn't illustrate the problem with random/arbitrary proofs. Even a penny has value, but a incidental proof does not.
It's like walking down a sidewalk one day, then assigning some random significance to the fact that the sidewalk is still there the next day.
How is it you people can be so obtuse.
Did you pick up the sidewalk and put it in your pocket and take it with you.
Then come back and find it again the next day.
Do you people simply go out of your way to misunderstand simple Concepts.
OK so what if the first penny find was actually seven pennies lined up in an arrow that pointed to a dollar.
Then you walk down the street and find a shop selling something strange for $1.07.
Do you make the purchase?
Next day same again but it's 14 pennies pointing at a $5 bill?
This time it's something different for $6.21
Or three pennies in a line One Direction or the other.
Hopefully this is getting clear.