R    1st txt    no ©, CART1, large ®, EL: colored border
x C    1st txt    no ©, CART1, large ®, EL: silver border
   R    2nd txt    no ©, CART1, large ®
x U    2nd txt    no ©, CART1, small ®
   U    -odd-    ©1977, CART1, ML: black background with no border, “Atari 2600” printed at the top in white letters, ML & EL: “Star Ship™” in yellow