I feel it is a die scratch issue on your coin. While circulation wear can wear off a die crack, it it did the plating would be gone. So I feel this is not a die crack, but a die scratch on the fields. (yes, the fields are also the bays on the Memorial building) Either way there is no premium for these. Just knowing what it is, is the bonus. Now that you know, you can move on to the next coins in the search.