To comemmorate the centennial of the great earthquake that ravaged San Francisco in 1906, the U.S. Mint stuck a $5.00 gold coin with the same specifications as our circulating gold half eagles ($5.00) up until 1929. The AGW= 0.2419 of an ounce. The obverse features the front of the old U.S. branch mint in San Francisco, that was the only building that survived the quake. The reverse has a likeness of the Liberty Head half eagle that was used up until 1907. This coin has been graded a perfect Proof 70 Ultra Cameo by NGC.