Effective January 27, 2013 the U. S. Postal rates have increased. Letters not exceeding weight of one ounce will now require $.46 cents of postage. Forever stamps need no additional postage; however, for Government postage requires 2 - $.23 stamps or the equivalent of $.46. Postcards price is now $.33. Please use your existing stock before ordering additional postage from Auxiliary National Supply Center (ANSC).

Source [N-EA, Anne Lockwood]