Royal Seal of Ryūkyū Kingdom (琉球國王之印, 18th century). This digital reproduction has its design, dimensions (1:1) and colours based on the following source: File:Royal Seal of Ryukyu.jpg (mentions The Japanese Book "琉球国王表文奏本展展示図録" in 2000, published by 沖縄県公文書館(Okinawa Prefectural Archives) as the source). The characters on the right hand side "琉球國王之印" are Chinese characters; the Manchu script on the left hand side "ᠯᡳᠣ ᡴᡳᠣ ᡤᡠᡵᡠᠨ ᡳ ᠸᠠᠩ ᠨᡳ ᡩᠣᡵᠣᠨ" reads "Lio Kio Gurun-i Wang Ni Doron" in the Manchu language.
Own work
Original:  Shogyoku Vector:  Froztbyte