C    PicBl    ©1982, CART1
x  R    PicBl-p    ©1982, CART1, EL: “p” printed on right, PAL
    R    PicBl    ©1986, CART3, red letters
    R    PicBl    ©1987, CART3, red letters, EL: paper
    R    PicBl    ©1987, CART3, red letters, EL: plastic