coinciding with the introduction of the penny black was the Mulready envelope: http://postalmuseum.si.edu/queen's/mulreadystationery.html.

prior to this, most correspondence is in the form of sheets folded over, with an address on the reverse of the sole, or outside, sheet.

David


Modified so link will work.
Lisa

(Modified by Moderator on 2013-03-02 09:16:46)

 
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