Sociedad de Cambios, a sheet of unissued 480-Reis (4), Montevideo, 1 July 1856, black and white, blue underprint at centre, sheep top centre, value at each corner, counterfoil at elft (cf PS.431 for issuer), this type and style completely unlike the notes illustrated in Pick, watermarked paper, engraved by Webb & Hunt, Liverpool, good extremely fine, very rare