ARGENTINA. 4 Reales, 1815-PTS F. Potosi Mint. PCGS Genuine--Cleaned, AU Details.KM-4. While this piece does exhibit some cleaning abrasions along with general contact marks, it retains strong details and brilliantly lustrous fields. A satisfying example with plenty of eye appeal.<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.