There is more than one band with this name:
These are photos from concerts where Pentagram played, so they may be of other bands that played the concert as well.
Pentagram Jul 4, 2014 Austin, Texas, United States Uploaded by Jeffrey Lee
PENTAGRAM - Upstairs in the Mohawk dressing area and lounge
Psycho De Mayo / Kadavar / Dead Meadow / Suns Of Huns / Saint Vitus / Pentagram / Plus Others May 11, 2014 Santa Ana/LA, CA Uploaded by Stephenhuerta
Pentagram / Radio Moscow / Kings Destroy / Sons of Huns / Mothers Whiskey Feb 23, 2014 Portland, Oregon, United States Uploaded by Terabyte23