This type 1 font file includes some postscript fragment with a non-free license of Adobe. In order to check if this tag is genuine please follow the procedure described in the reference.
Moreover the fragment was likely verbatim copied from black book without any credit to Adobe.
Should this be a false-positive, please override the tag.
Refer to https://wiki.debian.org/qa.debian.org/type1nondfsg for details.