Monaco Financial, sponsor of "The World's Most Valuable Coins Tour", is exhibiting one of the world's most valuable $20 gold coins. It is the finest known 1854-O Type I Double Eagle and is one of the US top 100 greatest coins. This amazing coin is the Marquee Coin recovered from the famous 1865 shipwreck of the S.S. Republic. Some experts believe this coin is valued at $1,000,000 or more. Visit booth #110 and treat yourself to the display of this magnificent coin and other important gold artifacts from the California Gold Rush and Civil War era. Visitors will have the opportunity to register for a free subscription to Adam Crum's eNewsletter, and those who do, will receive a free autographed copy of his book, An Insider's Guide to Collecting Type I Double Eagles. With your free book you will also be eligible to win a collectible 1861 $20 gold coin.