US Postal Service first class postage would be $3.96 ... see Related Link for more details.
Yes.
Stamps show that you have paid the money to have the letter delivered.
No, you must use US postage stamps.
No, you can only use British stamps for mail posted in London. (You wouldn't expect to be able to use a stamp from a different country on a letter mailed in the USA.)
Your answer depends on the size and weight of the letter you want to mail. You can use the online calculator, below, from the USPS, to determine the value in stamps required to mail your letter.
When mailing a letter or package you always use postage purchased in the country you are mailing from. So if you are mailing a letter from the USA to Canada, you would buy stamps at your local post office.
No, you have to use stamps from the country of origin of the mail. In this case you will have to use Italian postage stamps.
No, you may not. Forever stamps, because they do not contain a value, cannot be used for international mail.
first class mail up to and including one ounce = .42
it takes at least 4 forever stamps and about ten regular stamps :d whats in india?? lol
No you cannot use them. Forever stamps can only be used for domestic (inside the US) mail. They must have a value on them for international mail.
Yes, you can use regular stamps on first class mail. Most letters that you would mail only take one or two stamps.