One.
Just one of the right denomination. 44¢
Ask at a post office in USA !
just 1 stamp if its within the correct size and weight limit
A single First Class stamp is adequate for a one ounce regular letter.
If you are sending a normal-sized letter, you would need $0.49 total of stamps to mail it from Indiana to California. You could use a Forever stamp or a combination of other stamps that equals $0.49.
what the price to mail letter to
how many forever stamps = .94
5
No, the postman will ignore it. Go get stamps.
typicaly 2 stamps
maybe 2 0r 3 stamps
Stamps show that you have paid the money to have the letter delivered.