> applying “ridges” (lack of a better term) to the coins.
I think milled edges is the term you were looking for.
Y/w
>Loved Snow Crash
Me too! And this was my introduction to some of the names we have been researching here - Enki etc.
And half asleep in frog pyjamas by Tom Robbins was where I first heard of the Dogon and Nommo.
Funny how fiction can lead you to the truth.