How many can you see with a 10x loupe ? Usually if you can't see a variety with your eye (with 20/20 vision) or an 8x loupe, then it's not worth much. I don't see repunches on the H.
Graders and most veteran collectors use an 8x or 10x loupe. If you need a 200x microscope image to see it, not much demand. It could also be that all the so-called double-punched HP's will also show 3 or 4 repunches if checked with a 200x microscope.