Of course those coins were only twenty or twenty five years old at the time. Now we regularly get 50 and 75 year old coins in change.
Do you think it's possible that Muller Brass merely produced the bronze strip or punched the planchets that were struck in Yeadon? Perhaps...
Interesting. I had assumed they were all made in (Yeadon) Franklin, PA. The presidential bronze sets and the antique car coin series sets were...
Way cool. I'm impressed that the original specimen actually saw some circulation.
I checked my '68 proofs recently and didn't find anything very special; just the common reverses.
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