According to USA Today, that's when the U.S. Postal Service will hike the price of "Forever" stamps by 2 cents – from 47 cents to 49 cents.
The latest hike just applies to 1-ounce, first-class letters, not postcards or international letters. The rate for "additional ounces" for letters also will remain at 21 cents per ounce.
[ Read more here. ]