Flag of Greece of alternating blue and white - or silver - stripes on (several centuries-old) Kallergis' coats of arms is well documented, no depiction of the above described pattern (with the nine stripes and the cross) survives. The stripe-pattern of the Greek flag is visibly similar to that used (though with different colors) in several other flags that have appeared over the centuries, most notably that of the British East India Company's pre-1707 flag or the flag of the United States. Flags as they are known today did not exist in antiquity. Instead, a variety of emblems and symbols ("semeion", pl. "semeia")
Flag of Greece flags was the "labarum". In the surviving pictorial sources of the middle and later Empire, primarily the illustrated Skylitzes Chronicle, the predominating colours are red and blue in horizontal stripes, with a cross often placed in the centre of the flag. Other common symbols, prominently featuring on seals, were depictions of Christ, the Virgin Mary and saints, but these represent personal rather than family or state symbols. Western European-style heraldry was largely unknown until the last centuries of the Empire. There is no mention of any "state" flag until the mid-14th century, when a Spanish atlas, the "Conosçimiento de todos