Reverse In the central part - the numeral "1". Below it, a three-line inscription in Spanish: "UN PESO 1956" - "ONE PESO 1956". Above the numeral - the mintmark of the Santiago Mint: "S". Along the edge of the coin from left to right is a laurel wreath. The rim of the coin features decorative elements in the form of semicircles.
Obverse In the central part, the right-facing profile of Chilean national hero Bernardo O'Higgins Riquelme. To the right, his name in Spanish in two lines: "BERNARDO O'HIGGINS". On the truncation of the bust, the designer's initials Maurice René G. Thénot: "M.Thénot". To the left and right along the edge, text in Spanish: "REPUBLICA DE CHILI" - "REPUBLIC OF CHILE". The rim of the coin features a decorative raised pattern of semicircles.