There's a 4, 5, 5.5, 6 and 7 (PSA or GAI) on ebay right now...http://search.ebay.com/search/search.dll?cgiurl=http%3A%2F%2Fcgi.ebay.com%2Fws%2 F&krd=1&from=R8&MfcISAPICommand=GetResult&ht=1&SortProperty=MetaEndSort&query=aaron+%281954%2C54%29+psa