I've watched a couple of these sets - see link below - sell on ebay. Kind of cool being the bicentennial set and all of that. Can anyone give me a range on what these should sell for. Or - what the red book or the CDN has the listed @. Thanks http://cgi.ebay.com/US-Proof-Set-1776-1976-silver-proof-set-lotmay3509-/320700674845?_trksid=p4340.m506&_trkparms=algo%3DNGRI%26its%3DI%252BC%26itu%3DUA%26otn%3D10%26pmod%3D250821503077%26ps%3D63%26clkid%3D254838357144681603