Vintage Hallmark Cards

Though known today for its greeting cards, Hallmark actually began as a small reseller of postcards, which proliferated in the United States after Congress passed the Private Mailing Card Act of 1898, ending the government’s monopoly on pre-stamped postcards and lowered the rate for mailing postcards to a penny. A subsequent decision in 1907 on the part of the U.S. Postal Service to allow postcards to be addressed on their back sides, leaving...Continue Reading