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Ray's Moon rock is artfully placed...good job Ray!
The only thing anybody can do with a public key (as shown) is 1. Send you money and 2. Look what's in the wallet.

Although steemmatt does have a point -- that long address on the Private Key side IS THE PRIVATE KEY! It is partially obscurred, but if someone deduced what it was they would have whatever was on that bill.

Prob best to burn that one on top ;)