My guess would be just to send it and pay any fines that pop up against ur name.
4
First Class US Postal Service cost for a 4 ounce envelope to Canada would be $1.81. You can read more details at the Related Link below ...
From where? The weight of the contents will make a difference. U.S. postal rates can be found at the website linked below.
A 4-ounce large envelope currently costs $1.57.
The number of stamps needed for an 8x10 envelope with 4 sheets of paper depends on the weight of the envelope after adding the sheets. Generally, if the total weight is under 1 ounce, you would typically need one first-class stamp. If the weight exceeds 1 ounce, you may need additional stamps, usually adding one for each additional ounce. It's best to weigh the envelope or check with the postal service for exact postage requirements.
there is .25 oz or 2.5t to an envelope of dry yeast
A 2 ounce letter costs $1.10 to mail from New Jersey to Ontario, Canada. A 4 ounce letter costs $2.65.
THe cost is $2.03 for first-class, large envelope, not more that 1/4 inches thick. Five forever stamps would overpay by 42 cents, but would work.
Typical US format of the send-to address on an envelope is printed on the front of the envelope, centered (vertically and horizontally) as follows: Name of receiving party Street Address (or P.O. Box#) City, State, Zip Code (+4 is optional) For more information, see the related links below.
In the United States to a destination within the United States as of December 2009, it would be 44 cents plus a 20 cent non-standard surcharge plus 17 cents for each ounce or fraction of an ounce over one ounce, up to 3.5 ounces. HIgher rates apply if the envelope is more than 1/4 inch thick or weighs over 3.5 ounces. So if the envelope is one ounce or less, the charge would be 64 cents. Hint: you can save the 20 cent surcharge by putting your envelope inside a standard rectangular-shaped envelope. Note: This answer was correct when it was written. Postage prices change almost every year.
To mail a letter that weights 2 ounces from the United States to Canada the cost is $1.10. A 4 ounce letter costs $2.65.
The cost to send a 4-inch by 4-inch envelope in the U.S. typically falls under the United States Postal Service's (USPS) First-Class Mail category. As of my last update, the minimum postage for a First-Class Mail letter starts at $0.66 for envelopes weighing up to 1 ounce. Prices can vary based on weight, size, and any additional services such as tracking or insurance. It's best to check the USPS website or your local post office for the most current rates.