There are at least two bands called Underclass
These are photos from concerts where Underclass played, so they may be of other bands that played the concert as well.
Underclass / M.D.L. / The Burn Victims Jun 25, 2004 Citrus Heights, California, United States Uploaded by Sacramento Shows
No Pun Intended / The Burn Victims / Underclass / Sore Thumbs / Steve Violence Aug 2, 2003 Sacramento, California, United States Uploaded by Sacramento Shows
Tijuana Gasser / The Abuse / The Bunny / Underclass / The Burn Victims Jun 7, 2003 Vacaville, California, United States Uploaded by Sacramento Shows
Pummel / Underclass / The Drugstore Cowboys / The Runs Mar 1, 2003 Citrus Heights, California, United States Uploaded by Sacramento Shows
Dead Kennedys / Billy Goats Gruff / Underclass / The Broke Nov 22, 2002 Sacramento, California, United States Uploaded by Sacramento Shows
STE Bulletin 49 - 1st STE Summer Festival 1996 - Day 2 Bands
S.T.E. 107 - 1st S.T.E. Summer Festival - Day 2 of 2 Jun 23, 1996 Southampton, England, United Kingdom Uploaded by Rut
1st STE Summer Festival 1996 - Info Sheet - Back
1st STE Summer Festival 1996 - Info Sheet - Front