I guess this is a "slightly" off-center strike, as opposed to a MAD, since I can see the offset on both sides. I would not think too much of a premium, but I like it...good eyes!
I have one like that but it's more off center and really good shape do you know about how much they're worth
On e-bay, I think they start about $5 for slight off-centers, and can get costly for ones that are way-off...having a date is a plus too. Welcome to CT