1. The price of first class mail went up a penny to 34 cents in January. 2. The notices are sent by first class mail , but are not certified, she said. 3. The issue and use of adhesive postage stamps continued during the 19th century primarily for first class mail . 4. The move comes just two months after the price of first class mail went up a penny to 34 cents. 5. In 2007, First Class Mail was restructured to include variable pricing based on size, not just on weight. 6. The nation's economic slowdown and a recent rate increase also are cutting into the volume of first class mail . 7. Our price is still $ 12.95 and we pay shipping and handling via first class mail free on all orders 8. Postmaster General William Henderson stressed that the 1-cent boost in first class mail rates is below the rate of inflation. 9. The delivery of first class mail , the schools, the judiciary, the legislative system all mired in outdated technology. 10. In the case of the United States Postal Service's First Class Mail it is generally for a period of one year.