The hub doubling will be noticeable on a doubled die:

Enlarge this image and look at the doubled dies on the doubled ears. Note how the devices are affected with hub doubling (meaning two sets of lobes on these doubled dies. Study them all and train your eyes as what to look for on these. Then recheck you coin and see that your coin is normal with some striking issues. A doubled die coin comes from a doubled die, not by a post striking issue. They shoud jupp out at you.