I need help figuring out which strato has the thin neck. I´ve learned that in the late 60´s fender marked strato necks with a letter code which was A, B, C or D. B was/apparently still is the regular widht: 1 5/8" wide at the nut. A was the thinnest, 1,5" at the nut. This has nothing to do with neck radius or neck back shape (profile). So I would like to know which of the old stratos had this neck or if there is a reissue of such guitar. And what kind of neck profile do these guitars have. U or D maybe? Thanks for help.