We have an auction Sept. 21st with thirty 1952 Topps 3rd Series Gray Backs (we have over 300 lots in the auction - including most of the 1952 Topps 1-310 cards). It is a live auction in Arlington, Ma., however we will accept absentee bids. let me know if you want more inforamation. The gray backs range from Good to Ex. with minimum bids in the $40 to $75 range. visit our website to see list of entire auction
http://hallsnostalgia.com/ ... there are also photos of the cards up at our auctionzip.com page (at the auctionzip site go to auctioneer ID # 13612)