PSTGR is P/ST Graphics v.1.0 by Chris Sorensen (dated October 9, 1991).
P/ST Graphics allows Portfolio screen graphics to be viewed and translated
on ST computers.  Both PGF and PGC file formats (created by Don Messerli
of Software Vineyard) are supported.  P/ST can translate files from one
format to the other.  This is a program for your ST.  GEM based.
20K.