Mlb Topps Project70 Card 236 | 1967 Ken Griffey Jr. By Mikael BProject70: Celebrating 70 Years of Iconic Designs. Topps celebrates 70 Years of baseball cards with a new program that pushes boundaries while paying homage to our heritage. Founded in 1938 as a chewing gum company, Topps released their first baseball card set in 1951. Now seven decades later, artists and creatives around the globe are revisiting and re imagining 70 years of iconic baseball card designs, each selecting their own MLB players and Topps