You will receive a Large Flat Rate USPS Box containing approx. 5000 baseball cards. These cards are heavy to near mint and better with a possible few lesser. They are from all manufacturers-Topps, Donruss, Fleer, Score, Pacific, Upper Deck and possibly a few regional issues.  They are predominately from the early 1980's through the early 2000's. Cards include HOFers, Stars, Rookies, Inserts, and of course commons. There will be base set cards and premium brand set cards. Each box is different and while you will find some duplicates, I try to keep duplication to a minimum.