Amazing Mexico Silver cob KM # 31 at the time of this listing would be the highest graded by PCGS and actually the only authentic one! If you are looking for rare this is it 1 of 1 population. The item "Mexico (1556-98) 2 Reales Silver cob PCGS AU 55 Philip ll Km # 31" is in sale since Friday, August 24, 2018.This item is in the category "Coins & Paper Money\Coins\ World\North & Central America\Mexico\Colonial (up to 1821)". The seller is "refacesupply" and is located in Grandville, Michigan. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, Indonesia, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Viet nam.