There is more than one artist with this name, including:
These are photos from concerts where Quatermass played, so they may be of other bands that played the concert as well.
The Kinks / Arthur Lee and Love / Quatermass Dec 4 - 5, 1970 New York, New York, United States Uploaded by Zimtrim
Deep Purple / Quatermass Sep 26, 1970 Liverpool, England, United Kingdom Uploaded by Zimtrim