Because paper was so expensive, for many centuries letters were usually just folded, sealed and sent that way. But by the 17th century separate envelopes appeared in Spain and France. And what a ...

Whether for professional correspondence, heartfelt personal messages or formal invitations, a well-addressed envelope and a ...

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 ...