This section isn't too active outside people asking questions. You can't expect a quick response.
Anyway, gorgeous collection you have there! Legendary reverses are pretty collectable from what I gather. On average, that Charizard alone has been selling for over $900 on eBay this past month, ungraded. Even clearly damaged ones have been fetching over $100.
Cards generally have no set value, and prices fluctuate. The best you can probably do is see what they've been going for lately/around the time you'll be selling. What I do is check recently sold listings on eBay and average out the prices from the past month or so. Just ignore graded cards (unless yours are graded) and make sure the condition is similar enough to yours, and that it's the same edition, set, etc.