It would probably be asking too much—and probably outside the rules—to have something added somewhere to differentiate the two. 
Since the medals can be freely moved in and out of the C&C OGP, there is no guarantee an original has not been swapped for another example.
At least I have some provenance for this example...


Since the medals can be freely moved in and out of the C&C OGP, there is no guarantee an original has not been swapped for another example.
At least I have some provenance for this example...
