Obv: Head of Alfonso XII left with the legend “Alfonso XII by the grace of God” around and date below flanked by mint marks (6-pointed star) containing the date
Rev: Crowned coat of arms with “Constitutional King of Spain” above and denomination below flanked by initials MS and M
Madrid Mint KM 685 ; Cal 63 83.5% Silver (ASW 0.0671 ounce), 18 mm
