Norske Posthorn
Norske Posthorn er verdens eldste uavbrutte serie
Skilling Posthorn 1872/75
Skravert Posthorn 1877/78
Skravert Posthorn 1879
Posthorn 1882/83
Posthorn 1888
Posthorn 1886/93
Posthorn 1893/94
Posthorn 1893/95
Posthorn 1895/98
Posthorn 1889/1908
Posthorn 1906/08
Posthorn 1909/19
Posthorn 1920/29
Posthorn 1937/41
Posthorn 1941
Posthorn 1952
Posthorn 1962/86
Posthorn 1978
Posthorn 1991/92
Posthorn 1997