Flag of Greece At the flag's centre, the royal coat of arms of the new dynasty (Schleswig-Holstein-Sonderburg-Glücksburg) would feature. By a new royal decree of 3 June 1914, the distinguishing flags to be utilised by the various members of the royal family were described. The king's flag was defined as being square in shape and, as in previous flags, featured the coat of arms of the king on a Greek white-cross-on-blue. As the king at the time, Constantine I, was made a field marshal the previous year, the coat of arms on his flag featured a heraldic representation of the Marshal's baton in
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