ARGENTINA. 4 Soles, 1828-RA P. La Rioja Mint. PCGS AU-55.KM-22. Medal Alignment. The finest certified at PCGS, this lovely survivor from this challenging series shows generous well-struck original detail. The surfaces are attractively lustrous and elegantly toned with mottled silver and hazel hues. A pleasing coin with impressive originality, sure to be a welcome addition to the next collection it enters.<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.