Come this summer, the price of mailing a first class letter is going to cost a little more.The U.S. Postal Service (USPS) is increasing the cost for first class mailing by five-cents. The price change goes into effect July 14, according to online articles.The new increase will see the first-class mail Forever stamp jump from 68-cents to 73-cents.The price increase is the second this year. USPS increased the cost for its first class Forever stamps in January by three-cents from 66-cents to 68-cents.The Forever stamps, first introduced in 2007 when it was 41-cents, earned its name since they could be ...