Some K7s I listed on eBay, some mid ‘80s noisy things verging on the minimal.
http://shop.ebay.com/merchant/rickyshand_W0QQ_nkwZQQ_armrsZ1QQ_fromZ
Also item # 280359040390 (doesn’t show up otherwise… is that because they don’t like the fact the cassette is called ‘sexorama’???)