C    PicBl    ©1981, CART1, ML: EL: lower case letters
x R    PicBl-p    ©1981, CART1, ML: EL: lower case letters, EL: “p” printed on right, PAL
x R    PicBl-p    ©1981, CART?, ML: upper case letters, EL: lower case letters, “p” printed on right, PAL
x R    PicBl-p    ©1981, CART?, ML: yellow upper case letters, EL: upper case letters, “p” printed on right, PAL
   R    PicBl    ©1981, CART1, ML: lower case letters, EL: upper case letters
   U    PicBl    ©1981, CART1, ML: upper case letters, EL: lower case letters
x U    PicBl    ©1981, CART1, ML: EL: upper case letters
   R    PicBl    ©1981, CART2, ML: EL: upper case letters
x R    PicBl    ©1985, CART2, ML: lower case orange letters, EL: upper case yellow letters on plastic
   R    PicBl    ©1986, CART2, ML: lower case orange letters, EL: upper case yellow letters on plastic
x R    PicBl    ©1987, CART3, no “use with…” line
x R    PicBl    ©1991, CART3, no “use with…” line, PAL
x R    Picred2    ©1980, CART3, Hong Kong, “P” sticker on back, PAL