http://www.baseballcardpedia.com/index.php/2003_Topps_Shoebox
"2003 Topps Shoebox is a 96-card set released, for all intents and purposes, as a factory set. Each box contains 12 packs of eight cards -- three packs each labelled "50s," "60s," "70s," and "80s." Inside each pack are eight reprints of classic Topps cards from the respective decade, each with a special "SHOEBOX COLLECTION" foil stamp -- not unlike the previous year's Topps Archives set. The packs are collated so that all 96 base cards are included in each box.
In addition, each box contains one genuine Topps card from each of the four decades, and each of the 12 packs contains a stick of bubble gum."
