1693 BOLIVIA 8 REALES COB. Be sure to add me to your. The item "1693 BOLIVIA 8 REALES COLONIAL 8R COB SILVER COIN" is in sale since Monday, October 5, 2020. This item is in the category "Coins & Paper Money\Coins\ World\South America\Bolivia". The seller is "purplekat928" and is located in Puerto Rico.