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Introduction To Postcards
Oct 31, 2018

A postcard is a card with information that can be posted directly without an envelope, which must be affixed with a stamp upon posting. The front is the envelope format, the reverse has the role of letterhead. The advantage is not the envelope, the disadvantage is the space is small and no hidden, also known as "postal film." The content of the postcard is public, can be seen by others, the content usually does not involve the risk of privacy, it is called Ming letter.

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