What is this?

[Arky 1]

I was at a estate sale bought a boxs with a whole bunch of different coins and this was in there can anyone tell me what it is and where I can get more information about it thanks

 

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[Mackaydon]

If anyone wants to follow up (after all these intervening years), here's a suggested starting point:

Alexander the Great "Eagle" Pie Alpha coin - Google Search

Don in SoCal