It might be an unlisted pre-cud. See the cuds attached. http://cuds-on-coins.com/lincoln-cent-cuds-1983-2/ You can look at pre-cuds and cuds of 1983.
It would appear to be, especially with the die crack going to Lincoln's bust on left of the spot, but these crappy Zincoln cents have all types of "errors" because of the material used.
Thank you Inspector43, I did look at the reference you provided but couldn't find a match. If a cud is caused by a die break at the rim, wouldn't this break just be called a cud?
I'm not much of an expert on that. But, they do differentiate between pre-cud and cud. If that section eventually breaks off the base metal will flow in and make what is called a cud. I'm hoping that someone with more experience will pop in and help you.
That still looks like an interior die chip to me. It is hard to tell if the rim has worn or the chip has crossed the rim to the edge of the coin. I would imagine that there is a later die state of the coin.
I would consider getting photos out to either @mikediamond or who ever attributes these coins at If it is an IDB then I think that it is in an unusual place. http://cuds-on-coins.com/interior-die-breaks-on-u-s-coins/
Thank you @Pickin and Grinin for the reference. http://cuds-on-coins.com/interior-die-breaks-on-u-s-coins/ I totally overlook the section on pre- cuds. I found a match... RCD-1c-1983-06. Thank you all so much.
I see yours seems to be further along, not only the size of the die chip, but it has a further crack to the west. Neat find @dollar
Progression of the die deterioration could be rapid when it gets to this stage Or not so much Nice catch
"Although this die void is tiny, it does qualify as a cud". Thank you @mikediamond, I'm Renaming it as a cud.
It's also a perfect illustration of why the ostensibly synonymous term "major die break" is ridiculous.