Obverse of Gold Merengo of Umberto I of the Rome Mint Bust of Umberto I right, around UMBERTO I RE D'ITALIA; bottom 1890. Under the neck, the engraver's signature SPERANZA. R/ Coat of arms of the House of Savoy surrounded by the Collar of the Annunciation between an oak branch (right) and a laurel branch (left), top centre the Star of Italy. centre L20. Bottom, the mintmark (R)