Roman Empire Caesar Dart Flight Set-Small Standard The double-headed Eagle is an ancient symbol of eternal power. It was the symbol of rank of a Roman Caesar and was used by rulers wearing the title of kaiser, tsar and basileus, and also by rulers entitled imperator. The supreme commanders attached this cypher to their shields, sometimes with a garland of laurel. Small standard (NO6) flights provide maximum lift and stability of the dart when it is in flight. Pair with the Roman Empire Caesar Dart Set.