The evidence of doubling present in this example appears to be a form of 'shelf doubling', sometimes referred to as 'machine doubling'. The sites online usually explain the mechanics of this sort of 'error'. The book on errors by Margolis also covers this sort of error. Regrettably, this sort of doubling usually carries little or no premium.
The 'D' between E &T...possibly some embedded scrap? This sort of error for the copper coated zinc Lincoln cents is in the neighborhood of 1-5 dollars and depends on grade, the extent of the embedding and whether the scrap was retained or not.
