Major gold errors are very scarce. This 1857 Spanish Gold 100 Reales of Isabel II is a flipover double struck. Details of the understrike are visible on both the obverse and reverse. PCGS authenticated and certified this gold mint error MS 65.

Minted only from 1856 to 1862, this 8.33 gram gold coin has a diameter of 22 mm and is .900 gold.

Most double struck coins have a composition of copper, clad, nickel or zinc. Double struck gold coins are very rare and being a flipover double struck Spanish 100 Reales makes this a unique mint error.

Gold Errors are featured in
my NLG Award winning book,
World's Greatest Mint Errors.