I doubt you will ever see a coin that has gone rusty. Tarnished is perhaps, the word you mean. If you Google "Rusty Coins", you will see it has an alltogether different meaning.
I thought that what he meant by "bit rusty". I doubt you will have doubloons from a sunken galleon.
I thought that what he meant by "bit rusty". I doubt you will have doubloons from a sunken galleon.