Flag of Greece los reynos" depicts the flag of "the Empire of Constantinople" combining the red-on-white Cross of St George with the "tetragrammatic cross" of the ruling house of the Palaiologoi, featuring the four betas or "pyrekvola" ("fire-steels") on the flag quarters representing the imperial motto Βασιλεύς Βασιλέων Βασιλεύων Βασιλευόντων ("King of Kings Reigning over those who Rule"). The tetragrammatic cross flag, as it appears in quarters II and III in this design, is well documented. In the same Spanish atlas this "plain" tetragrammatic cross flag is presented as (among other places in the Empire) "the Flag of Salonika" and "the real Greece
Flag of Greece embassies and civil services, while the sea flag (without the crown) was allowed for use by private citizens. On 25 March 1924, with the establishment of the Second Hellenic Republic, the crowns were removed from all flags. On 20 February 1930, the national flag's proportions were established at a 2:3 ratio, with the arms of the cross being "one fifth of the flag's width". The land version of the national flag was to be used by ministries, embassies, and in general by all civil and military services, while the sea flag was to be used by naval and merchant vessels,