I am trying to find some of the original Alfred S. Colella coin tubes to store some of my Engelhard and Johnson Matthey coins. I received some...
Why are the 1982 and 1983 Engelhard Prospectors selling for a higher premium than the other years?
Why are the 1982 and 1983 Engelhard Prospectors considered rare and usually bring higher premiums than the other years?
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