Please post a new question with the bill's country and any wording that might help to ID it.
The front bears an image of the Barbados Coat of Arms and the back, an image of a flying fish.
Yes the eagle on the frontCorrectionAccording to the Bureau of Engraving and Printing's image collection none of the 20th-century US $500 bill designs featured an eagle on the front.
Please take another look. The image on the front of a 1922 Peace dollar is Miss Liberty. There's more at the Related Question.
The $500, long out of print, has an image of President William McKinley.
The front has a portrait of President Ulysses S. Grant. The back has an image of the US Capitol building.
The old Australian paper One Hundred Dollar note has the image of Sir Douglas Mawson on one side wearing his woollen balaclava. He was a famous Australian Antarctic explorer in the early 20th Century.
Yes. Nearly all U.S. coins are minted with the front and back sides oriented 180° apart. Just check your pocket change.
Benjamin Franklin was one of the most extraordinary of the American Founding Fathers. In addition to helping create the US Constitution, he was a diplomat, scientist, philosopher, inventor, author, civic leader and (belatedly) an early abolitionist.
An image of the U.S. Treasury building is featured on the back of a ten dollar bill. Alexander Hamilton, first U.S. Secretary of the Treasury, adorns the front of the bill.
Abraham Lincoln is on the front of the United States five-dollar bill. On the back of the bill, there is an image of the Lincoln Memorial, which is a monument dedicated to President Lincoln.
Look below the image. The little caption will tell you that it's a picture of the White House.Every US bill has captions identifying the person on the front and the image on the back.
There is no U.S. four dollar bill.