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.
Sweden Rock Festival 2012 Jun 6 - 9, 2012 Norje, Blekinge, Sweden Uploaded by Jarle Lindeland
Pentagram Mar 19, 2011 Austin, Texas, United States Uploaded by Jeffrey Lee
Maryland Deathfest VIII May 28 - 30, 2010 Baltimore, Maryland, United States Uploaded by Hackblowfist
Pentagram / Black Tusk / Rwake May 26, 2010 Austin, Texas, United States Uploaded by Jeffrey Lee
Bobby loitering at 6th & Red River. Image: Jeffrey Lee
Bobby gives the traditional "Hook 'em Horns" salute. Image: Jeffrey Lee
The Roller / Outlaw Order / Wolves In the Throne Room / Minsk / Pentagram / Nachtmystium Jul 9, 2009 Austin, Texas, United States Uploaded by Jeffrey Lee
Pentagram / Nachtmystium / Danava / Witch Mountain Jul 1, 2009 Portland, Oregon, United States Uploaded by Terabyte23