Well, I know it's old because there's no hook and the back tools are so simple. It looks like an old Explorer, but with the addition of a saw and file. Whatever it is, I'd sure love to find one in much better condition...Thanks for you expertise.http://cgi.ebay.com/Victorinox-Swiss-Army-Knife-/320593414104?pt=LH_DefaultDomain_0&hash=item4aa4db47d8