 The coin had been in the possession of his father, Harry Edmond Lawrence, a former deputy superintendent of the Denver Mint, who kept it in a sandwich bag along with other coins.Lawrence brought the coin to La Jolla coin dealer Michael McConnell, who estimated its value at a minimum of US$250,000, up to $2 million or possibly more.On January 28, 2014, PCGS announced that it had certified the coin as authentic with the grade PCGS MS63 and certification number 28544237.