That's MILLENNIUM, with 2 N's. (One "N" would be pronounced "mi LEEN i um") Assuming they're standard circulation coins, not much more than face value. All the company did was assemble a bunch of...
The two large coins in the set (the $5 and $10 coins) contain an aggregate of 1.92 troy ounces of silver, so just the "melt value" of these two coins (with silver at about US$17 per troy ounce)...