There are at least two bands under this name:
These are photos from concerts where Monster X played, so they may be of other bands that played the concert as well.
Monster X / Weirdos May 6, 1989 Huntington Beach, California, United States Uploaded by Monster X
Monster X / Chain Gang / Sheer Lust Nov 16, 1988 Huntington Beach, California, United States Uploaded by Monster X
Monster X Dec 31, 1987 Huntington Beach, California, United States Uploaded by Monster X
Monster X Jan 30, 1987 Anaheim, California, United States Uploaded by Monster X
