I have seen the big ( C-44 P&S) Dyads go consistently for $100 and over. Last summer I think I saw one on eBay go for around $140. I agree with what the other guy just said. I would keep unless it is a model that you just don't like for what ever reason. I have 5 of them and one of them is a used one that I carry from time to time. I was offered a flat $100 for the used one. I truly think that double knife will eventually become a classic out of the hall of Spydies. I personally would treat it like a bank CD; put it away and forget about it for a couple of years. :) :spyder: :spyder: