I can't tell if this is a repunched high date. I'd much appreciate it if you could tell me. The 5 looks exactly like examples I've seen.
I looked in my copy of "The Complete Guide to Liberty Seated Half Dimes" by Al Blythe. There are 8 varieties listed but the only example photograph depicts the short pole variety. Sorry I can't be more help. They do have one page with photo for the "double date" and one page for the "over inverted date". Here is my example of the "over inverted date":