Seal, Illinois, The State of Illinois, Brass Seal, Obv: Eagle holding a banner in its beak with the state motto, “State Sovereignty, National Union” , lettering around “SEAL OF THE STATE ILLINOIS”, in the outer circle of the seal (August 26, 1818, is the date that the first Illinois constitution was signed), Rev: uniface, 4.2g, 20.72mm, about extremely fine.