More ideas from L.
Star-map - Called an astrolabe, this compass-like device was used by ancient sailors in order to determine their position using the stars and constallations.  Pretty nifty!

Astrolabe – Magnificent Computer of the Ancients ~ Kuriositas. Build a history lesson on ancient technology (Yes - Tech older than the commodore

Landivar

Traitors/rivals to the Imperial Throne of Ay, the House of Lazarus was marked with a Curse Brand, so that every oldest heir would be identified and shamed to the world. The mark consists of a map, which actually leads to a very special place.