Slabbed 1963 Franlkin DDO Date? FBL?

This is a 1963 Franklin 50c in an old holder bought at a Antique store clearance for $5 as i remember.
Just decided to look at it for some reason.
Upon putting it under the scope i noticed the date had a lot of offset features.

Also, on the reverse, it appears to be FBL but not graded as such, I am uncertain how precise the graders are on this designation. There are a few small nicks on the lines so Might be enough to disqualify? Because it is slabbed, the photos are not as clear as i would like to show.

i would thank anyone in advance who would offer opinion on either.

 

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Which grading company?
That will probably answer your questions!
Take a picture of the slab.

 

I reposted with photos of the slab. Only way i could figure out how to add photos.
why would the company answer whether or not there may be a ddo on the date or FBL on the reverse?

thanks