Volume measure made of bronze, cylindrical in shape. It would have two wings, but they are broken.
The Coat of Arms of Portugal is engraved on one side (a Latin shield with five escutcheons loaded with five bezants and a border with seven castles, surmounted by a closed royal crown).
On the opposite side, inside a stripe superimposed on a diagonal arrow, there are several inscriptions: “R / L V / I / SEBAS / TIANVS / .A. .S. / 1575”The dimensions are as follows: