No it is not valid anymore. They have new denominations: 1, 2, 5, 10, 20, 50 and 100 peso notes.
Coin and paper
No sir do not do that it can land you in jail
B. legal tender act
B. Legal Tender Act
It created the first single paper currency. It created the first single paper currency.
Yes if the coins are real and legal tender you can spend them. Susan B Anthony Dollars Sacajawea Dollars Presidential dollars. and Ike Dollars are all legal tender and therefore can be spent.
legal tender act
This note is legal tender and is used for all debts public and private
Yes. There is a case where a man wrote a cheque to pay his parking fine on toiler paper. It would have cost them £15 to process it.
a legal medium of payment
1000000 by Alexander HUynh
The U.S. doesn't issue $3 bills - only 1, 2, 5, 10, 20, 50, and 100. Anything that looks like a modern bill with a $3 denomination is a novelty item worth about as much as the paper it's printed on.