Derafsh Kaviani (Persian: درفش کاویانی) was the royal standard Derafsh (in Latin: vexilloid) of Iran (Persia) used since ancient times until the fall of the Sasanian Empire.[1] The banner was also sometimes called the "Standard of Jamshid" (Dirafš-i Jamšīd درفش جمشید), the "Standard of Fereydun" (Dirafš-i Fireydūn درفش فریدون) and the "Royal Standard" (Dirafš-i Kayī درفش کیی).