x C    3rd txt    ©1980, CART1, red letters, medium ®
x R    3rd txt    ©1980, CART1, purple letters, medium ®, ML: “CX-2636-P”, PAL
   U    PicBl    ©1978, CART1, red letters
x R    PicBl-p    ©1978, CART1, red letters, EL: “p” printed on right, PAL
   R    PicBl    ©1986, CART2, ML: yellow letters, no Atari logo, EL: red letters
   R    PicBl    ©1987, CART3, yellow letters, ML: no Atari logo, no “use with…”