As far as metal goes:
Theatres des Vampires - everything including rare self-released promo tapes & VII Arcano 7"
The Meads of Asphodel - all 3 demo tapes
Hirilorn - Legends of Evil and Eternal Death (Drakkar)
Old Man's Child - Born of the Flickering (Hot)
Tulus - Pure Black Energy (Hot)
Fimbulwinter - Servants of Sorcery (Hot)
Troll - Drep de Kristne (Damnation)
Tormentor - Anno Domini (Nocturnal Art)
Tiamat - Sumerian Cry (Metalcore)
Sort Vokter - Folkloric Necro Metal (Norse League)
Iljdarn - Forest Poetry (Norse League)
Thou Shalt Suffer - Into the Woods of Belial (Nocturnal Art)
Ancient - Svartalvheim (Listenable)
Countess - The Return of the Horned One (Nazgul's Eyrie)
Septic Flesh - Mystic Places of Dawn (Holy)
Graveland - Carpathian Wolves (Eternal Devils)
Graveland - Thousand Swords (Lethal)
My Infinite Kingdom - Ecstasies Over Dreaming Lady (No Colours)
Taranis - Faust (Baron)
Thou Art Lord - Eosoforos (Unisound)
122 Stab Wounds - The Deity of Perversion (Head Not Found)
In the Woods - A Return to the Isle of Men (Hammerheart)
...and various original pressings of some black metal releases from bands like Ulver, Dødheimsgard, Satyricon, Gorgoroth, Rotting Christ, Varathron, Hades, Abigor, Arckanum etc...
Non-metal:
*Fear Cult - A Bouquet of Songs cassette
*Fear Cult - Your Darkest Romance
*Suspiria - The Great and Secret Show (Limited edition to 300 copies, autographed in gold marker)
Radio Werewolf - all CDs and 2 vinyl
Suspiria - all releases
London After Midnight - all limited picture discs & every edition of each release on CD including autographed promo.
Kommunity FK - all CDs
Sopor Æternus - Todeswunsch (original) & La Chambre D'Echo (book edition)
Christian Death & Rozz Williams - various early pressings, limited PIG DVD & soundtrack