It's not a cud. A cud is a die break along the rim. And it's not a dropped letter because a dropped letter would be incuse, not raised. Assuming the line on your coin is raised (which it appears to be) it looks like a die scratch or gouge.
I suppose so. Hadn't thought of that. I'm no error expert. Maybe Mike Diamond will offer us his expert opinion.
i would say it's a possible die gouge or break in the field. i did look close and the image seens to be raised Die gouge jazzcoins joe:goofer: