I couldn't find any coin tokens that really met my needs. Other coins varied in size more than I wanted, didn't come in values that were useful to me, made more for a specific game and/or were made with shapes I didn't want. 

I'm not a modeler but I made an effort to design my own that would meet my criteria, which was: 

• Simple shapes
• Game agnostic 
• Consistently sized numbers on all coins
• Sensibly sized coins
• More gradual, less drastic coin size increases between coin values

So I made this set to use in my games and share with friends. I made them in increments most commonly used in the games I have which are 1,3,5,10,25,50,100. The largest coin is a little smaller than a 50 cent piece and the smallest coin is about the size of a dime. I'm pretty happy with the results so far.

Printed on a Sovol SV08

Mentioning my settings that I changed from default in Orca Slicer:

• PLA
• 100% infill (you could do less but this is what I liked)
• Layer height .2mm
• 3 Wall Loops