Seen these on Craigslist (Missouri)-  

http://springfield.craigslist.org/mat/2094764700.html  - could be the same  http://springfield.craigslist.org/mat/2084163532.html

http://stlouis.craigslist.org/tls/2081576008.html

don't know how close they are to you, but maybe worthy of consideration