I just listed all my rare slot cards from the Frontier and Fremont Casinos on eBay. Most have low starting prices so check them out.
https://www.ebay.com/sch/i.html?_fss=1&_saslop=1&_sasl=rbakerpc%2C+slotcardexchange%2C+slotcardtrader&LH_SpecificSeller=1
