UK label, logo for the company FM-Revolver Records Ltd. (association of FM & Revolver Records (3)).
Consider adding:
-FM as 2nd label if it reads "A FM Release" (catalogue number "WKFM XXXXX")
-Revolver Records (3) as 2nd label if it reads "A Revolver Release" (catalogue number "REV XXXXX")
-Heavy Metal Records as 2nd label if it reads "A Heavy Metal Records Release" (catalog number "HMR XXXXX")
-Heavy Metal Worldwide as 2nd label if it reads "A Heavy Metal Worldwide Release" (catalog number "HMI XXXXX")
-Heavy Metal America as 2nd label if it reads "A Heavy Metal America Release" (catalog number "HMA XXXXX")