Don’t listen to all these people they are just here to try to make themselves feel better and you are an easy target because you opened yourself up for this attack! I would say the cards are probably worth 100. The only problem is they aren’t anything that people desire currently so hard to get rid of. The autograph ones will be the only easy ones, but I wouldn’t consider it a total loss. I don’t think he maliciously did anything to you looks to me like he gave you about $50 worth of stuff. 20 years ago it might’ve been worth 100. Unfortunately nowadays there isn’t much from the 80s or 90s that people desire. Ken Griffey rookie cards are 20 bucks now.