This is a method of folding the paper of your letter in such a way that it becomes its own envelope, often using slits and tabs running throughout the creased letter. A wax seal was often employed ...

From $0.58 . Letters sent by First Class Mail (1 oz.) are charged a "Metered Mail" rate. From now on, the postage fee for online postage and postage meters will be two cents. How much does it cost to ...