Hello, I'm an expert in numismatics, which is the study or collection of coins. When it comes to the $1 coin, there's a specific series that features a notable figure from American history.

The Sacagawea dollar was first minted in the year 2000 and features the Shoshone woman Sacagawea on the obverse (front) of the coin. Sacagawea is known for her role as an interpreter and guide for the Lewis and Clark expedition.

However, there is also the Presidential Dollar series, which was produced by the United States Mint from 2007 to 2016. This series featured a series of $1 coins with reliefs of former U.S. presidents on the obverse, in the order that they served. Each president was honored with a unique coin design.

So, to answer your question, the $1 coin does not have a single president on it. Instead, there are multiple $1 coins, each featuring a different U.S. president from the Presidential Dollar series.

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The text of the act does not specify the color of the coins, but per the U.S. Mint "the specifications will be identical to those used for the current Golden dollar". The George Washington $1 coin was first available to the public on February 15, 2007, in honor of Presidents' Day, which was observed on February 19.read more >>