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 / Dirty Streets / Brother Dege Mar 20, 2019 Austin, Texas, United States Uploaded by Jeffrey Lee
Pentagram / BongCauldron / Ten Foot Wizard / Mother's Cake Oct 14, 2016 Manchester, England, United Kingdom Uploaded by Jason French
Pentagram Mar 19, 2016 Austin, Texas, United States Uploaded by Jeffrey Lee
Motocultor 2015 Aug 14 - 16, 2015 Saint-Nolff, France Uploaded by Sheb