There seems to have been just the one release on the Montrose label, a Heavy Rock single by Shado called 'Evil City'. Its catalogue number was MON-1001, and it was issued in 1974. The matrix number, LYN-2974, shows that pressing was done by Lyntone. The band was handled by Ipswich-based promoter John Hessenthaler, which suggests that the label may have been his. Thanks to Robert Bowes for bringing Montrose to my attention, and to Robin Wills for providing the scan.
Copyright 2011 Robert Lyons.