When I see what look like lines going right down the middle of all the digits of the date, I think of a lighting issue. But levels makes a very good point here, as WDDO-001 doesn't really show much widening of the digits but has separation lines more or less down the middle of the digits. This one is somewhat easier to spot on the LIBERTY though, as it's a bit stronger there, and probably worth a look at that area to see if anything is going on.
What I missed on first look was actually the 1, which looks a lot more like a DDO
separation line than a lighting thing.