Presidential Dollar value is not much more than face value unless the coin is graded MS66 and up by a reputable grading service like PCGS or NGC. On further note these coins are not gold but made mostly of copper.
Designer: Obverse (Many) Reverse: Daniel Everhart
Weight: 8.100 grams
Diameter: 26.5 millimeters
Thickness: 2.00 millimeters
Edge: Engraved (text “In God we trust” and “E pluribus unum”, the coin’s mint mark, and its year of issuance)