Derby Owner's Club:
http://www.ebay.com/itm/230994923326...84.m1558.l2649

Taito Quix board:
http://www.ebay.com/itm/230993518475...84.m1558.l2649

Data East Karate Champ:
http://www.ebay.com/itm/230993522827...84.m1558.l2649

Unknown Board:
http://www.ebay.com/itm/230993530385...84.m1558.l2649