Current value is $1.75
The paper dollar is worth about $5 in uncirculated condition -- the coin dollar is worth about $15 in uncirculated condition
The coin is just a 2009 Presidential dollar. The dual date 1849-1850 is the term of office he served. Value is $1- it's made of brass, not gold.
The current face value of all presidential dollar coins is $1. Remember, they're brass, not gold. Presidential dollar coins minted at Philadelphia and Denver are worth a dollar even if they are uncirculated. Proof-quality presidential dollar coins minted at San Fransisco are worth $3.
What you presumably have is a James Buchanan presidential dollar coin. It was minted in 2010 and is worth one dollar.
one dollar unless it is silver or uncirculated
The only US coin with Hayes on it has a face value of $1 and that is what it is worth. ( A coin dealer has to make a profit and he can't get them for less than a dollar, so he would charge more for one. )
August 19, 2009 This coin is a circulating coin and has a value of $1 except in ultra-high uncirculated or proof grades.
No numismatic value. A dollar for each coin maybe
About $35,000
If it's part of the Presidential Dollar series, it's only worth face value in circulated condition. Uncirculated, it might sell for $3.
For the most part, no. Modern Presidential dollars are made of brass, NOT gold, and are worth one dollar each. If the coin is in uncirculated condition, it might be worth slightly more than face value.
A 1912 $5 gold coin is worth $600 in MS-60 Uncirculated condition.