BRAZIL. 6400 Reis, 1797-R. Rio de Janeiro Mint. Maria I. PCGS AU-58. Fr-87; KM-226.1. Quite elegant and brilliant, this dazzling issue from the sole reign of Maria offers pleasing surfaces, a golden-yellow overall hue, and a look that is about as close to Mint State status as one can get. <strong>To view all items from the Mark and Lottie Salton Collection, click <a href="https://auctions.stacksbowers.com/lots?sort=auction_date_lot_number_asc&search=Salton+Collection&limit=36&lots_range=upcoming"> here.</a></strong> From the Mark and Lottie Salton Collection.