I collect coins, somewhat, and also enjoy Morse code. Therefore, why not look for coins that have Morse code on them? Here are some examples of Morse code on coins, both relating to the war efforts during WWII, and the strong role that Morse code played in wartime communications
This page will be updated as I come across more coins that have Morse code on them.
Not a coin of course, but related is this $2 silver certificate from 1896 showing Samuel Morse
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