Issue #1, 1991
Schwarzmarkt (germ. for black market or underground economy) was a comic zine from Germany, co-edited by a collective of underground comic artists: Jan Hillen, Patrick Rieve, Thomas Zydek and Olio.
The first issue was published in 1991. Contributing artists included Jan Hillen, Thomas Zydek, Olio, Zero One, Patty (Patrick Rieve) and Steini.
Issue #3 presented 70 pages of comic and 12 contributions by Jan Hillen, Thomas Zydek, K.-H. Hillen, Frank Ziehten, St. Grigat and Patrick Rieve. The A4 zine was offset printed.
All three issues are included in the collection of the St. Patrick's Zine Library.