a few months before the release of her coin. The United States Mint launched these coins officially at 12 pm EDT on June 19, 2007. They provided two versions of the coin: a proof version for $429.95 and an uncirculated version for $410.95. The United States Mint also produces and makes available to the public bronze medal duplicates of the First Spouse gold coins which are not legal tender. In February 2009 Coin World reported that some 2007 Abigail Adams medals were struck using the reverse from the 2008 Louisa Adams medal. These pieces, called mules, were contained within the 2007 First Spouse medal set. Although the First Spouse program ended in 2016, it was continued in 2020 to honor Barbara Bush. A full listing of the coins is: * Due to volatility in the gold market, the U.S. Mint lowered the price to $549.95 on November 12, 2008, to more accurately reflect the current spot price of gold. This however constantly changed as the price of gold changed. The mint used pricing range tables to adjust pricing of gold coin: 2016 Pricing Grid † Chester A. Arthur's wife Ellen died before he succeeded to the presidency. Since there was no First Lady during his presidency, the act explicitly states that Alice Paul, who was born during his term, would appear on this coin. Since Paul was never First Lady, the coin does not have a served date. Other provisions The act also has two other provisions, for the following: Issuance of a $50 bullion coin reproducing the 1913 buffalo nickel designed by James Earle Fraser. See American Buffalo (coin) Redesign of the reverse of the Lincoln cent in 2009 to show four different scenes from Abraham Lincoln's life in honor of the bicentennial of his birth. These four scenes include: his birth and early childhood in Kentucky his formative years in Indiana his professional life in Illinois his presidency in Washington, D.C. In 2009, numismatic cents that have the metallic copper content of cents minted in 1909 were issued for collectors. Since 2010, another redesigned reverse for the Lincoln cent is being minted; this "shall bear an image emblematic of President Lincoln's preservation of the United States of America as a single and united country", and replaced the Lincoln Memorial reverse in use from 1959 to 2008. See also List of presidents of the United States on currency American