CHARLES IV (1788-1808). Proclamation in Soria. (Silver bronze. 6.14g / 46mm). 1789. Engraver: A. Martínez. Uniform piece. Anv: Acid busts of Carlos IV with jacket, jabot shirt, band, cloak and collar of the fleece, and of Queen María Luisa, with diadem and court dress, around the legend: CAROLUS IV ET ALOYSIA AUGUSTI. AU.