3 different types of coat of arms exists.
前: 盾徽 (Italic type)
铭文: 没有
背面: Head 25th king John V (right, 1706-1750 Dom João V of Portugal & Algarve, 11th duke Bragança)
造币厂记号: (below neck) R. (Rio de Janeiro)
铭文: IOANNES.V.D.G.PORT.ET.ALG.REX. bottom, year & mint mark) 1731. - 1752.
边缘: G - grained, type: cable / cord edge command is supost to be premiums