We could estimate a population based on what's in circulation and documented through AH's, ebay, forums, shows, etc.. I think the real thing to look at is roughly how many surface annually and combine the estimated circulated qty and avg. documented new finds to determine what is a likey survival rate. The big unknown is how many were produced which will make projecting new finds difficult. The late eighties and early nineties sent everyone to their grandma's attic and a lot were exposed then. Ebay later brought more out of personal collections so I think we're going to see a steady but slow introduction of new finds.
My arbitrary guess is 60,000.
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