By RANDOLPH E. SCHMID WASHINGTON — It’s time to stock up on Forever stamps. The cost of mailing a letter will go up a penny — to 42 cents — on May 12. But the Forever stamps will still be valid for first-class postage after that. And they can be bought for 41 cents each until the new rates take effect, postal officials said. The Postal Service has sold 5 billion Forever stamps since they …
More: continued here
