There are fourteen sets found with at least one knife from the set having a 2007 tang stamp date.  In total there are currently 107 knives found in the sets.   The price leader is the 20 knife set commemorating the first 20 Limited Edition Mint Sets.  This set sold for $4,025 in 2024 giving each knife in the set an average value of $200.    See KnifeDB.com for selling prices on each set.  You can also find at least one selling price for each knife in each set (sometimes more)!