I posted all these on Ebay US & don't really know the values, but if you need them just use the search there
Death - Leprosy Cassette 1988 / Combat / Relativity Records
Sinister - Diabolical Summoning Cassette 1993 / Relativity / Nuclear Blast America
Revenant - Prophecies Of A Dying World Cassette 1991 / Nuclear Blast America
At The Gates - Red In The Sky Is Ours 1992 Cassette / Vile Music / Deaf / Grind Core Int / Peaceville
Morbid Angel - Altars of Madness Cassette 1989 / Combat / Earache / Relativity
Dismember - Like An Ever Flowing Stream Cassette 1991 / Nuclear Blast America
Vader - Ultimate Incantation Cassette 1992 / Relativity / Earache Records
Afterlife - Surreality Cassette 1992 Grind Core Int / Olympic Music
Napalm Death - Harmony Corruption Cassette 1990 / Combat / Earache
Hypocrisy - Penetralia Cassette 1992 / Nuclear Blast America
Vital Remains - Let Us Pray Cassette 1992 / Vile Music / Grind Core Int / Deaf Records
Carcass - Necroticism Cassette 1991 / Relativity / Earache
General Surgery - Necrology Cassette 1993 / Relapse Records
Broken Hope - Swamped In Gore Cassette 1991 / Red Light Ent / Grind Core Int
Cannibal Corpse - The Bleeding 1994 Cassette (no cover) / Relativity / Metal Blade
Brujeria - Matando Gueros 1993 Cassette (no cover) / Roadrunner /
These are all the original US versions & all were tested