BOLIVIA. Cob 4 Reales, ND (1576-78)-P. Potosi Mint; Unknown Assayer (L). Philip II. PCGS Genuine--Salt Water Damage, VF Details.KM-4.2; Cal-522. Weight: 12.10 gms. A rather attractive shipwreck cob. Despite the noted saltwater damage, this piece is well-centered and displays a highly legible mintmark and assayers initial. The compact and slightly underweight flan cuts off the legends but retains a satisfying amount of detail.<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.<p><p><p>Ex: Atocha. With original ticket from Treasure Salvors, Inc.