Went to Gen Con several years in the 1990's.  Pulled a box from storage had a bag with all the freebie hand outs.  Are there other cards from that era that are exclusive to gencon?  I do have 4 of the bloodwar Molydeus.  Never played been in the bag since 1995.  What value do these 4 cards hold?

I brought my son there several years.  He wanted to go to meet authors of d&d and I went to get autographs of star trek stars.  So we weren't really into the card games.  We just put the cards into the bag as we walked.  I just found the bag buried in a storage box and was throwing out all the gen con hand outs.  I saw other cards like rage/wing commander/spellfire(wardmeister strategy)/galactic empires/redemption/and a card from horizon games with a griffin like creature on its draw side and its a winter solstice card. Then star trek starter packs never opened.  It was just a great little time capsule of our past outings.  Thanks for your reply.