x  U    3rd txt    ©1980, CART1, gold  letters, upper case letters
    R    3rd txt    ©1980, CART1, gold letters, upper case letters, ML: “CX-2639-P”, PAL
    R    3rd txt    ©1980, CART1, yellow letters, upper case letters
x  C    PicBl    ©1978, CART1, green letters
x  R    PicBl-p    ©1978, CART1, green letters, EL: “p” printed on right, PAL
    R    PicBl    ©1986, CART2, green letters, EL: plastic