x U    1st txt    no ©, CART1, green letters, large ®, EL: silver border
x R    1/2 txt    no ©, CART1, green letters, ML: 1st txt, EL: 2nd txt
x R    1/2 txt    no ©, CART1, green letters, ML: 2nd txt, small ®, EL: 1st txt, silver border
   U    2nd txt    no ©, CART1, green letters, small ®
x R    2nd txt    no ©, CART1, orange letters, medium ®, ML: “CX-2641-P”, PAL
   R    2nd txt    no ©, CART1, orange letters, medium ®, ML: “CX-2641-P”, EL: green letters, PAL
   C    PicBl    ©1978, CART1
x R    PicBl-p    ©1978, CART1, EL: “p” printed on right, PAL