How much postage do I need to send this package?
How much does it cost to send this package?
How much does it cost to mail this oversized postcard overseas?
What is the postage on a letter to the United States?
I want to send/mail by air.
I want to airmail it.
I want to send it by air mail.
You can mail it by Federal Express.
You can mail this letter by certified mail.
You can send it by sea.你可以海邮。
Don't forget the return address!
Don't forget to put stamps on your letter.
Please use BLOCK CAPITALS.
They have a philately counter where he can buystamps for his collection.
I'm crazy about collecting stamps.
I want to buy the newly issued stamps.