How much postage for large envelope to japan?

For a Large Flat Rate Envelope, which has a maximum weight capacity of 13 ounces, the postage rates are as follows:

- First-Class Mail International (estimated delivery in 7-10 business days):

> $20.50 for a large envelope weighing 13 ounces or less

- Priority Mail International (estimated delivery in 6-10 business days):

> $39.00 for a large envelope weighing 13 ounces or less

- Priority Mail Express International (estimated delivery in 3-5 business days):

> $48.00 for a large envelope weighing 13 ounces or less

The price of postage may vary depending on the actual weight and dimensions of the envelope, so it's best to use the USPS postage calculator to determine the exact postage required.

Please note that the prices mentioned above are for standard-sized envelopes and may differ for oversized or irregularly shaped envelopes. It is always advisable to double-check the postage rates with the postal service before sending an envelope internationally to ensure accurate and sufficient postage is applied.