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Example o a court card, postmarked 1899, shawin Robert Burns an his cottage an monument in Ayr

A postcard or post card is a rectangular piece o thick paper or thin cardboard intended for writin an mailing wioot an envelope. Thare hae been exceptions tae this, such as wuid postcards, made o thin wuid, an copper postcards sauld in the Copper Kintra o the U.S. state o Michigan.

In some places, it is possible tad send them for a lawer fee than for a letter. Stamp collectors distinguish atween postcards (which require a stamp) an postal cards (which hae the postage pre-printed on them). While a postcard is uisually printit bi a private company, individual or organization, a postal card is issued bi the relevant postal authority.

The study an collectin o postcards is termed deltiology.