On a 1-10 scale, 1 being very common; easily available on eBay, Google product search and almost every knife selling website,with at least 10+ listings on eBay. and 10 being The rarest of all knives. If you didn't have one you wouldn't even have known that it existed. Something you should lock up in a triple-combination safe and treat it like a family heirloom, the SOG Desert dagger with kraton handle made in Seki Japan is about an 8. All SOG knife info/value can be found by searching "sogknivescollectors" on Google.