| Private Mailing Card Era.... 1898- 1901
Starting in 1898, American publishers were allowed to print and sell cards bearing the inscription,"private Mailing Card, Authorised by Act of Congress, May 19 1898.These private mailing cards were to be posted with one cent stamps ( the same rate a government postals). This was perhaps the most significant event to enhance the use of private postals. As with government postals and previous pioneer cards, writing was still reserved for the front (picture side) of the cards only.
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