I've had a sighting of one in Tuscan red, very crude by today's standard, even somewhat crude for the 1980's. Could classify as a "blunt instrument." I would guess there were 50 or less made.
But, it was the only GG1 available in S at the time, and there wasn't any hint coming from American Models which introduced their GG1 in 1995.
Image from the NASG website:
A Tuscan GG1 can be seen here:
https://ogrforum.ogaugerr.com/topic/old-s-gauge-gg1
Rusty