Search the Heritage Auction Archives, it doesn't cost you anything for this resource. http://currency.ha.com/c/search-results.zx?N=56 790 231&Ntk=SI_Titles&Nty=1&Ntt=virginia colonial&limitTo=all There is over 10 pages in this link.
Last one sold went for $300 but it is hella nicer than yours. It was an XF40. Yours is maybe a VG-F 10/12. $100 or so is my guess. Speaking of, if you sell it let me know, I'd be interested...