The alternating white and blue stripes are explained to signify the 9 syllables of your phrase "Eleftheria i thanatos" ("Liberty or Demise"), a preferred motto throughout the Greek War of Independence. In the Kingdom of Greece, a crown was included from the centre of your cross. See also: Listing of https://medieval-banner-designs32973.rimmablog.com/32444809/not-known-factual-statements-about-medieval-banner-long