The royal coat of arms of the Kingdom of Largonia is the only coat of arms in history of Largonia. It's a shield with green, blue, yellow and red background, an English red cross flag and some pictures of flowers, lions, a fish and a ship. It's used since the independence on 1 January in 1873. It's designed by a team of English designers and tailors.
The flag of Largonia contains the coat of arms.