PFS:Write Version B.01
Released in 1985 by Software Publishing Corporation
For DOS

Image Quality: Unmodified

PFS:Write, originally from Software Publishing Corporation and later
sold to Spinnaker Software, was an early and easy to use word
processor for the IBM PC and Apple II. It was also licensed by IBM as
IBM Writing Assistant. It can exchange data between PFS Graph, PFS
File, and PFS Report.

Important: These disks are formatted for DOS 1.x and will not open in
WinImage.

Important: This disk contains copy protection. You must use the
appropriate tool to write the images to a real disk, or use an
emulator that supports one of the copy protected disk image formats.

No unprotect is known to exist for this version. 

Protection method: duplicate sector on track 10 head 0