I've done a few more high resolution images using the Stack and Stitch method. The first one I shared used a 3xMM objective, but now I'm using a 95mm Printing-Nikkor and getting a bit sharper results at full zoom. Here's a 1957-D Cent with die chips forming a LIIBERTY:
https://easyzoom.com/image/127189/album/0/4?mode=manage