VideosEpisode 7: Type I $20 Gold Treasure Coins 01 Feb Type-I $20 Gold Liberty Double Eagles, minted from 1850 to 1866, an era that defined our nation. Shipwreck Treasure Type-I gold coins are among the most popular and valuable rare coins. 1854 S $20 LIBERTY TYPE I NO MOTTO PCGS AU55 $22,500.00 Add to cart 1864 $20 LIBERTY TYPE I NO MOTTO PCGS AU58 $21,000.00 Add to cart 1856 S $20 LIBERTY TYPE I S.S. CENTRAL AMERICA PCGS-SSCA-1 MS61 $9,375.00 Read more 1856 S $20 LIBERTY TYPE I NO MOTTO PCGS-SSCA-1 AU55 $7,500.00 Add to cart Episode 6: California Fractional Passenger Gold Hoard Episode 8: Treasure LOST, Treasure FOUND!