Coinciding with the fireworks of the bicentennial, the offered 1976 Topps Baseball unopened vending box has explosive "break value!" This untouched treasure contains 500 cards "produced by the world's largest publisher of Trading Cards for America's fastest growing hobby." The following key cards are possible: #1 Aaron RB, #19 Brett, #98 Eckersley RC, #240 Rose, #316 Yount, #330 Ryan and #550 Aaron.