Price changes of note for retail customers include the following: * First-Class Mail letters (1 oz.) remain unchanged at 44 cents, * First-Class Mail additional ounces increase to 20 cents, * Postcards will cost 29 cents, * Letters to Canada or Mexico (1 oz.) increase to 80 cents, and * Letters to other international destinations will remain unchanged at 98 cents. http://www.usps.com/communications/newsroom/2011/pr11_017.htm?f
【在 m*r 的大作中提到】 : 1oz不涨,还是44c,but additional oz increase from 17c to 23c?