Look for Rhude Traditional Archery on ebay. They have some really nice back quivers for a reasonable price. I like the one that they have for $61.99. It has a knife sheath and file sheath and 3 point strap. Heres a link to their back quiver page
http://stores.ebay.com/Rhude-Traditional-Archery_Traditional-Back-Quivers_W0QQcolZ4QQdirZ1QQftidZ2QQtZkm I'd buy one of these, but I already ordered a custom back quiver from Frank and Michelle Skukanec in Wisconsin. Hope this helps.