Mantle, Robinson and Thompson were double printed cards and the stitching is is counter clockwise on them.
Mantle is easier to tell as the front has more differences than the other 2 cards as has been pointed out.
Use these pics. It should help you with your decision.
There is also this link:
https://allvintagecards.com/how-to-s...-topps-mantle/
Good luck.