It will depend on the weight. It will require at least two because it is oversized.
Postage is determined by weight and by size. An envelope with three pieces of normal paper can normally be sent with one first class postage stamp. Additional stamps may be required based on additional ounces and on the size of the envelope.
Making Postage: Mak found more than 50 3-cent and 5-cent stamps in a desk. His uncle needed 87¢ worth of postage to mail a package and asked Mak if he could use some of these stamps. How many different combinations of the stamps could Mak give his uncle to make exactly 87¢ of postage.???????
my mom who is a postal worker says 2
The postage from the US for an ordinary first class letter of 1 ounce or less is 98 cents You can buy a 98-cent stamps or use any combination of stamps whose total value is 98 cents of more. 2 forever stamps plus a 10-cent stamp would work.
Postage stamps come in different sizes and are made from different materials. There cannot, therefore, be a simple answer.
The amount of stamps needed for an envelope is determined by weight. Weigh your a4 envelope and you will know how much postage is needed.
how many stamps for a 10.4 ounce envelope
That all depends on how much is in it. It goes by weight. See the U.S. domestic postage website at the link below. Anyway, it's not about "how many stamps" but "how much postage." Stamps come in denominations from 1 cent on up.
Postage is by weight - not size where letters are concerned.
Postage is determined by weight and by size. An envelope with three pieces of normal paper can normally be sent with one first class postage stamp. Additional stamps may be required based on additional ounces and on the size of the envelope.
2
If you buy the stamps and never use them, that's to many, if you buy stamps you think you might need and never use, that's to many, if you buy stamps just to have and admire them, that's collecting and your in the wrong section of WikiAnswers, you belong in collectibles.
At that weight, it would be classified as a large envelope, and postage would be $2.20 as of 2016.
It only takes one for the first ounce. For additional weight, you will have to add additional stamps. Usually four sheets of paper in an envelope will need an extra stamp.
The number of stamps needed for an envelope depends on the weight and destination. The weight limit for a standard USPS First-Class Mail envelope is 3.5 ounces. For an envelope weighing 12 lbs, you would need to use a different shipping method, such as USPS Priority Mail or USPS Priority Mail Express. The specific number of stamps required can be calculated using the USPS postage rate calculator or by visiting your local post office.
It depends on how heavy the contents are and how big the envelope is.
I successfully mail CDs all the time with 2 stamps.