Your bill was actually printed in Washington, as were all bills up till 1990 when the Fort Worth printing facility opened. It was printed for distribution by the Philadelphia Federal Reserve District, so it has a "C" seal and the city name.
Please see the Related Question for more information.
one hundred dollars
If it has a green seal, $125 in worn condition, up to $180 with only slight wear.
The 1928 Philadelphia issue Peace Dollar is the key date of the series and if you actually have this coin I suggest submitting it to one of the professional grading services for authentication. Value for circulated coins are $300.00-$450.00 Mint state coins start at $540.00 in MS-60 and are over $4,000.00 in MS-65
Hi, a 1928-D Peace Dollar is worth $14.00 :)
the serial number does not match the series
one hundred dollars
The Philadelphia issue (no mintmark) in the circulated grades is valued at $260.00-$440.00.
No US $100.00 gold coins were ever made, so a value is not available.
If it has a green seal, $125 in worn condition, up to $180 with only slight wear.
The 1928 Philadelphia Peace Dollar has no mint mark, indicating it was minted in Philadelphia. A normal 1928 Peace Dollar would have a D or S mint mark denoting it was minted in Denver or San Francisco. The absence of a mint mark on the coin indicates it is the Philadelphia Mint version.
The Philadelphia issue (no mintmark) in the circulated grades is $275.00-$445.00, Mint State examples are $525.00 or more.
No D's in 1928. The coins were only struck in Philadelphia and San Francisco. The S coins run from $30.00 to $70.00 in circulated grades.
About tree fiddy.
The value of a 1928 Silver Certificate dollar is worth at least the amount of the face value. There are 6 different 1928 Silver Certificates, the value depends on the grade of the certificate. The best way to determine the value is to have the note appraised by a professional.
SIMPLE ANSWER: The 1928 Philadelphia issue (no mintmark) coin. Average retail value is $275.00 for a coin graded G-4.
About tree fiddy.
About 1,500 $.