The sender address goes either on the back at the top of the envelope or on the left hand corner in the front. The receiver's address goes in the front center of the envelope, and the stamp goes on the top right hand corner of the front.
In generally goes on the upper left corner of the front of the envelope.
The front of the envelope would have 1, while the back would have 2.
material yardage
When sending a wedding invitation the response card should go into the response envelope and you should address it back to you on the front of the response envelope with a stamp on the envelope.
The back of the envelope will be the triangular-shaped part that folds down in back; it usually has some kind of adhesive to seal the envelope (most often by moistening the strip).
A self-addressed envelope is an envelope with your address on the front of it in the MAIL TO area. If the ad/directions include SASE...this means self-addressed stamped envelope. In this case, you would include postage so the company/organization/person can mail your request to you.
The word is "envelope" (which usually holds only one letter).
Fear or reward.
To address an envelope to be opened only by the addressee, you can write "Private and Confidential" or "Personal and Confidential" on the front of the envelope. Additionally, you can write "For [Addressee's Name] Only" or "Confidential: To Be Opened by Addressee Only" on the front as well. It's important to clearly indicate the intended recipient and the confidential nature of the contents to ensure that only the addressee opens the envelope.
Approximate middle of the front of the outside!
In proper postage etiquette, the postage stamps is supposed to be affixed to the upper right hand side of the front of the envelope. The address should be in the center of the envelope, and the return address in the upper left hand side.