I have two rare black metal demo tapes and a cassette that is a full studio album. The two rare demo tapes are Darkestrah's "Pagan Black Act" and Hiver Noir's "Alkoholik Rehearsal Demo 2004." Godcider's "Six Bullets For Christianity is a full studio album on cassette format.
Pagan Black Act - limited to 200 copies.
Alkoholik Rehearsal Demo 2004 - limited to 150 copies.