Im not even sure how much these are worth. Could you provide some clarification on what you expect to get for them? Thanks!
You can just use the search function in this forum to look at similar auctions.
https://bitcointalk.org/index.php?action=search A quick search shows they've sold recently at around 0.0165 a piece:
https://bitcointalk.org/index.php?topic=5245767.40 But this is an extremely rough N=1 guide (so please DYOR). Establishing a price point for collectibles like these is hard because they're just not that many around. Good luck!