Welcome to Bladeforums, Liftu! Belated condolences on the passing of your father.
Looks like he left you quite a collection. For example, Spyderco is a highly regarded knife manufacturer. They have their own website and a subform here at Bladeforums. Sal Glesser, their founder and president is personally active online, helping with questions and ideas. Bob Terzuola is a renowned custom knifemaker, seen as a major influence on the tactical knife concept.
I'm going to leave this open, with the notice that you need at least a Gold membership to ask about values. Here's some links about that:
See the FAQ for Bladeforums rules at
http://www.bladeforums.com/forums/faq.php
Paid memberships at
http://www.bladeforums.com/forums/payments.php
Exchange rules at
http://www.bladeforums.com/forums/announcement.php?f=699&a=98
You need a Basic membership to post a trade thread.
You need a Gold membership to sell what you've bought,
a Knifemaker membership for what you have made,
or a Dealer membership if you sell for others.
Once you pay for your membership, go back to Paid Subscriptions to see when it takes effect. PayPal costs more and takes longer to go through. Credit card payments are automated.
Then go to Settings(upper right)
then to Permission Groups (left side)
then select your correct membership level.
I suggest browsing the FEEDBACK forum at the top of the Exchange forums, especially the stickies, for problems to watch out for. Browse the forums you are most likely to post in or buy from:, Dealer, Knifemaker, or Individual, to see how members communicate.