English: The 11th-century Byzantine vandon banner, a square shape with pointed streamers probably beared by cavalry. The banner depicting a Greek cross and golden discs, that preceded the later tetragrammatic cross. According to the historian A. Babuin, the flags with crosses quartered with golden discs were from the 10th century, and a depiction of a flag almost identical to the Palaiologan symbolism from the early 13th century.