Those are reproduction carts, not original prototypes. Can you take a picture of the carts? Sounds like some of the 5200 reproduction carts we sold in our store for a while.
..Al
Ihave these games on all the rarity guides it says prototypes but on the carts the labels all by atari read reproduction cartrdge
the games are
Xevious
asteroids
millipede super pac-man
what are they