you have to watch out on the bay
if it isnt a scam the product is usually overpriced, a knock off, or not the quallity discribed
for example these types of survival knives
they copy famous disign's
ka-bar
http://cgi.ebay.com/Tanto-Military-Style...1QQcmdZViewItem
reeve's green beret
http://cgi.ebay.com/Meyerco-Tactical-Sur...1QQcmdZViewItem
or tag it with military units
75th rangers
http://cgi.ebay.com/Army-RANGER-COMBAT-S...1QQcmdZViewItem
1st special forces
http://cgi.ebay.com/LARGE-11-Inch-GREEN-...1QQcmdZViewItem
navy seals
http://cgi.ebay.com/Survival-Knife-Lot-o...1QQcmdZViewItem

I could go on forever but bottom line evil-bay is full of crap