There are or have been 4 bands that go by the name of The Vipers.
These are photos from concerts where The Vipers played, so they may be of other bands that played the concert as well.
Thin Lizzy / The Vipers Apr 22, 1979 London, England, United Kingdom Uploaded by Michael Chambers
Thin Lizzy / The Vipers Apr 2, 1979 Birmingham, England, United Kingdom Uploaded by Michael Chambers