x C    2nd txt    no ©, CART1, yellow letters, large ®
   U    2nd txt    no ©, CART1, yellow letters, medium ®, EL: yellow/orange letters
x R    2nd txt    no ©, CART1, yellow letters, small ®
   U    2nd txt    ©1979, CART1, yellow letters, medium ®, thin font, no ™ after games EL: yellow/orange letters
x C    PicBl    ©1978, CART1, yellow letters
   R    PicBl    ©1986, CART?, gold letters, has “use with…”
   R    PicBl    ©1986, CART?, gold letters, no “use with paddle controllers”
   R    PicBl    ©1987, CART3, gold letters, no “use with paddle controllers”
   R    PicBl    ©1988, CART3, gold letters, no “use with paddle controllers”