Yes, you just never know what collectors will bite on. I sold a Risky Business promo 33RPM record press kit that had pre-recorded responses to an interview (so the local DJ can "interview" Tom Cruise etc). To some people it would just be an old record... but there were probably less than 50-100 ever made and it was only 1 of probably 3 that ever made it into collectors hands. I sold it 9 years ago for $1500 (I set the price, private party sale) and I probably shouldn't have except I was trying to raise money to buy a car. I paid $100 for it, so I came out alright, but I will never, ever, ever be able to replace it.