A couple of nice (and big!) sets on the Chicago area craigslist.

"The family history is that it was the 4th TV ever sold in Oak Park Illinois"
That seems unlikely, but I suppose it's possible. According to the ETF, about 8,000 were made starting in 1947.
http://chicago.craigslist.org/wcl/atq/2213399489.html
http://images.craigslist.org/3nc3ka3m25O55V65X2b2d0287400512aa1d0f.jpg

http://chicago.craigslist.org/chc/atq/2218767467.html
http://images.craigslist.org/3k63me3l45Y35O35R6b2g7b491b559c361bdd.jpg

(no affiliation)