US Coins, Tokens & Medals,UNITED STATES:1904, aluminum medal, H&K-314, NGC graded MS63 PL, "So-Called Dollar", Louisiana Purchase Exposition, the "Pax Dollar", radiant allegorical figure at center, PAX below, COMMEMORATING THE LOUISIANA PURCHASE 1803 in outer margin, ST. LOUIS WORLDS FAIR 1903-4 below , carrack type ship "Santa María" from the fleet of Columbus, COMMEMORATING THE DISCOVERY OF AMERICA 1492 in outer margin above, CHICAGO WORLDS FAIR 1892-3 below, R.