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Autograph is not usable by some classes.
This is only a little thing but may as well share.
Regarding the Autograph that you can obtain from Larry Darryl and Darryl in the are south of Nashkel.
Although it just a scroll and can be read by anyone, some classes will find it has the red 'not usable by' watermark over it.
This is of course wrong as its just a scroll and is'nt 'used' by anyone.