The product is a 1856 S $20 Gold Liberty Double Eagle coin certified by PCGS as XF 45 OGH. This coin was minted in San Francisco and is made of gold. It is a valuable piece of US coin history, dating back to a time before 1933 when gold coins were commonly circulated in the country. The certification by PCGS adds an extra layer of assurance of the coin's authenticity and quality.