answers: 2002
context: become of them. One aluminum cent was donated to the Smithsonian Institution for the National Numismatic Collection; another was reportedly found by a US Capitol Police Officer. Experiments were also conducted with bronze-clad steel cents. Slated for disposal, when a bag of them tore open before going into a smelter a few were kept by the workers. They are also considered to be illegally held government property. Recognizing that a change from the current copper composition was still inevitable, Congress passed Public Law 93-441 on October 11, 1974, declaring "[w]henever in the judgment of the Secretary of the Treasury such </s> a University of New Mexico college student and a Shoshone Indian, as a model for the coin. There are approximately 1 billion Sacagawea coins in circulation, and about 250 million in reserve. The U.S. Mint greatly reduced production of Sacagawea dollars after the 2001 minting, citing sufficient inventory. From 2002 to 2008, the Sacagawea dollar was still minted for collectors and was available in uncirculated rolls, mint sets, and proof sets, but it was not released for general circulation again until the introduction of the Native American series in 2009. The Mint took great care to create the coin with </s> graded by PCGS at MS-67 and sold (by Diverse Equities) in the year 2000 to a private collector for the then sum of US$400,000. Today this coin would most likely bring US$1 million at an auction. Condition rarity: Almost all examples are found in good to very good condition, which means in heavily circulated condition. Based on the ICCS report of 2012 only 1 has been graded in fine condition. A total of 0 have been graded in very fine and 0 in extra fine. There are also 6 known in AU condition. Only 3 mint state examples of the
question: when was the last 50 cent piece made