Complex sentence: In Mexico it is called "Aguila o Sol" (Eagle or Sun), while in Peru it is called "Cara o Sello" ("face or seal", because the other side shows the Great Seal of the State).
Split into simpler sentences: In Mexico it is called "Aguila o Sol" (Eagle or Sun). In Peru it is called "Cara o Sello" ("face or seal", because the other side shows the Great Seal of the State).