Coins of Biblical Astronomy Replicas (pewter casts). Replica coins of Star (comet) of Julius Caesar, Star of Bethlehem?, Star above Helmet, Round shield = earth, 8 pointed star, Star above gate. Most coins are only one sided and glued into the box. Information about each coin is on the back. They are in a clear plastic box 4 1/2" by 3 1/2".