Check the listing for details. Killing Floor POSTER Sponge Ghetto Press Signed Silkscreen Mark Arminski Mint!. Listed at 39.99 USD. Killing Floor Concert PosterDetroit 1993Silkscreen Printed by The Ghetto PressSigned by Artist Mark ArminskiOriginal First Printing!Pennant Shape CutLast One! Original Concert Poster! 9/11/1993. At: St. Andrews Hall, Detroit MI. With: Sponge and Speedball. From my personal collection. Only one left to offer. Actual photo pictured. Obtained directly from Mark Arminski. Hand signed. Mint Condition! Poster measures approx. 12" inches x 19 1/4" inches in size. Silkscreen printed on high quality poster stock. Printed with hand mixed inks and split fountain background. Professionally stored flat for proper conservation.Foreign shipping rates available. Poster is professionally shipped in a heavy duty tube. Shipping combined on multiple items.