No Die Break, No Cud. It's Die deterioration. The following is an explanation of a CUD - http://coinauctionshelp.com/cud_extrametalminterror.html#.VPCI52c5Ct8 Nice Cent. Looks weird. I keep those for reference in a separate box.
You are welcome. To the left of the webpage there are explanations of many other known errors. Enjoy!