If you desire a specific coin and would like to exchange coins in your current rare coin collection, use eSell or call your Monaco Account Representative to get values for your coins.  You may use that value as purchasing power for your new selections once those coins have been mailed (registered/insured, please).  If you have bullion or bullion coins, call your Monaco Account Representative to execute a sell transaction.  We will give you the mailing instructions that apply to each type of trade.  Trading coins enables you to refine your rare coin portfolio or collection.