October 9 is National Postal Day , commemorating the 1874 creation of the first postal union . Sadly , the sending of postcards is now a tradition in decline . Swiss businessman Adolf Fischer began collecting stamps in the late 19th century . His collection contains 500 postcards from 30 countries .
October 9 is National Postal Day , commemorating the 1874 creation of the first postal union . Swiss businessman Adolf Fischer began collecting stamps in the late 19th century . His collection contains 500 postcards from 30 countries .