R    2nd txt    no ©, CART1, large ®
   U    2nd txt    no ©, CART1, small ®
   U    2nd txt    no ©, CART1, medium ®
x R    2nd txt    no ©, CART1, medium ®, ML: “CX-2604-P”, PAL
   C    PicBl    ©1978, CART1
x R    PicBl-p    ©1978, CART1, ML: red letters, EL: orange letters, “p” printed on right, PAL
   U    PicBl    ©1978, CART2
   R    PicBl    ©1986, CART?, orange letters