Obverse of the inauguration medal of the Museum of Values

At the top portion of the medal, curves designed in guilloche form the letters "M" and "V". Below is the official seal of the sesquicentennial celebrations composed of the years "1822" and "1972", with the latter above and to the right of the former, connected by a fluid and undulating shape.and 1972, with the latter above and to the right of the former, connected by a fluid and undulating shape.