A form of these arms was first used by King William I in the 12th century.
A register in the College of Arms in London describes the arms of the Kyng of Scottz as being Or, a lion rampant within a double tressure flory counter-flory Gules.
Royal standard of Scotland, with lion contained within "tressure flory counter-flory"
Or, a lion rampant Gules armed and langued Azure within a double tressure flory counter-flory Gules