ARGENTINA. Buenos Aires. Duo of Medals (2 Pieces), 1854 & 1878. Both PCGS Certified.A pleasing pair of Argentinian medals, one celebrating the new constitution and the other commemorating the 100th birthday of Argentinas liberator, Jose de San Martin. Both pieces are wholesome and lightly-handled, with clean lustrous fields and sharp details. <p>1) State of Buenos Aires Silver Medal, 1854. PCGS MS-63. Fonrobert-10057. Privately purchased from Louis Collins, 1969. <p>2) Centennial of the Birth of San Martin Bronze Medal, 1878. PCGS MS-62 Brown.<strong>To view all items from the Pat Johnson Collection, click <a href="https://auctions.stacksbowers.com/lots?sort=auction_date_lot_number_asc&search=From+the+Pat+Johnson&limit=96&parent_category=1-11EIV&lots_range=upcoming"> here.</a></strong>From the Pat Johnson Collection.