Each sealed box contains 24 packs of 8 cards each in a 407 card base set using 1952 Topps gray back paper stock and design format. Parallel set: 110 card Chromium 1:25 (#`d to 552). Inserts: Classic Renditions 1:5, Then and Now 1:8, New Age Performers 1:8, Real One Autographs 1:142 (including Wilhelm, Spahn, Snider, Rizzuto, Mays, Matthews, Bauer, Doby, Roe, Sain, Sauer, Thompson, Shantz, Schoendienst, Slaughter, and many other players from the 1952 Topps set as well as current rookies and stars, Special Edition Red Ink version 1:545 > #`d to 52, Classic Rendition version 1:19710 > #`d to 25), Clubhouse Collection (Game Used Memorabilia cards: Bats 1:590, Jerseys 1:798, Dual Memorabilia card > #`d to 52, Autographed Memorabilia card > hand #`d to 25), Grandstand Glory 1:211 (Historic Ballpark Memorabilia), and Time Capsule `52 1:369 (Korean War uniform swatches). ***All redemption cards have expired. Very tough to find!