Your local US Post Office can tell you that or you can go here: http://postcalc.usps.gov/
2134
According to Canada Post's site, which I just looked up, it is $0.52.
Martha Washington, wife of President George Washington.
The standard international letter post rate for a letter up to 30 g is $1.85. For letters over 30 g but under 50 g the rate goes up to $2.68. A booklet of six international rate stamps costs $11.10.
Go to the post office and buy "permanent" stamps. They have a "P" on the bottom right corner. To mail a letter, you only need one stamp.
what is the cost of a first class satamp from us to canada
$0.52 within Canada, $0.96 to the US, and $1.60 International.
Have to use postage from country of origin
You use the postage of the country of origin, in this case, you would use Canadian postage.
Yes, that is what stamps are for, to pay postage from the US to anyplace else in the world, regardless of the country. A standard letter would cost 72 cents.
$0.20
Postage from the US to Canada for a standard letter is 75 cents.
about 0.44 cents
44 cents
What was the cost of a postage stamp in 2001
No, it is not. The current rate for a postcard from US to Canada is 85 cents (as of March 2012).
Forever
The current cost of a US postage stamp is 44 cents