The glue is probably what it is, when i first looked at it one side looked like glue, almost threw it back but changed my mind, thanks for the help
This is correct the memorial is slightly raised off, you can only see the parts of the memorial that are most raised off the coin, same with the head.
I found this in my change a few days ago, could not find any information on it. Sorry about the poor quality of the images! It had gotten stamped...
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