It depends on which country you're talking about. We'll need a little more information if you want a good answer.
Very much like it does today. There was more silver in the coins and some different pictures on them, but they are the same size.
"Back then," lol, money was called curency or green backs.
Look down the back of the sofa.
regular money
Check out this site for examples:http://home.att.net/~design-house/history/history_1920a.htm
It would look like a black spot on your back.
use Google, and look up- Vanuatu Money
it short of looks like Japan money
American money is rectangular shaped, white and green with one of our many presidents on the front and with American monuments or the bald eagle and a pyramid on the back with the amount of money on the corners
Well, how do those €'s look like?
like poo!
How does euro money picture look