Looking for ideas or buyer's for pallets of ceramic molds

I recently cleaned out a warehouse where at least 100 (or better) molds were left behind by the previous owner. These molds were given to me and I took them as a bonus for my work. However, I have had no luck in listing them for sale on Craig's List or any local papers. I think it would be a shame to throw them away, but they are taking up valuable space here on my farm. I am hoping that some of you might have some suggestions for me as to what to do with them, or other means that I might use to sell them. I have very little information to offer on the molds specifically, other than the information that is stamped on the molds themselves. Thank you so much!!