Quote:
Originally Posted by Fred Brackin
I'm not sure if I said that to Craig or he said it to me but that exact remark has gone round in my circle.
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In the 70s RPG dice sets generally didn't include the d10 (looks like a likely source is
https://patents.google.com/patent/US3208754 -- which incidentally numbers the d4 with only a single number per side). The d10 we're generally familiar with appears to be based on
https://patents.google.com/patent/USD267569 from 1981, though there's a far earlier design in
https://patents.google.com/patent/US809293.