The Source of Bad Luck

I decided to clean out my craft coffers, digging up relics from my childhood. The idea was to attempt to sell some of these relics, but when one comes across the below obscenities, what the hell do you do?

I hate to throw them out because they're perfectly usable stamps. Just...I'm not going to use them. And are you going to use them? Didn't think so. I know someone out there would want to use them, considering they were made in the first place. But...damn...