three-dollar coin
... that the American three-dollar coin may have been designed to make buying stamps easier?
... that the American <b id="mwCn0"><a href="./Three-dollar_piece" id="mwCn4" rel="mw:WikiLink" title="Three-dollar piece">three-dollar coin</a></b> <i id="mwCn8">(pictured)</i> may have been designed to make buying <a href="./Postage_stamp" id="mwCoA" rel="mw:WikiLink" title="Postage stamp">stamps</a> easier?