A die break would have a hole in the die - raised area on the coin. I am nearly positive that is a depression on you coin. Strike through maybe, but I don't see how that lettering could be so clean.
Fwiw - With in fine woodworking - similar grain patterns are referred to as Quilted. Not uncommon in maple. Super rare in Lincoln cents! ? That is a wild pattern for sure. Now we need curly or tiger, spalted and birds eye patterns to complete the set.
I stopped in to grab this thread and send to an ebay seller a . How can a person collect coins for 50 years and never heard the term wood?