Inside, I found an extremely courteous and interesting request for information and a stamped addressed envelope for my reply.

BBC: In search of simple phones

He includes a self-addressed stamped envelope and has been surprised by the response.

WSJ: Smitten by Smiths: Bob Ziegler

Only after Mr. Smith received a third insistent letter from Mr. Ziegler did he drop his business card into the self-addressed stamped envelope.

WSJ: Smitten by Smiths: Bob Ziegler

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ENGADGET: blogger-avatar

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The FBI on Saturday made public a copy of the envelope addressed to Leahy.

CNN: letters

It was found in an envelope addressed to Chief Inspector Andy Lemon.

BBC: Strabane bomb intended for police inspector

Three of four field tests conducted on the powder inside the envelope addressed to Wicker tested positive for a protein that later tests determined to be ricin, a lethal toxin, it says.

CNN: FBI confirms letters to Obama, others contained ricin

But this envelope had been addressed by hand.

NEWYORKER: The Region of Unlikeness

To handle that, the team placed an envelope on the back of the computer screen that is pre-paid and addressed to the nearest facility that can recycle those three elements.

FORBES: The Road To A Recyclable Laptop