Hungary - 2022 SMS Leitha Monitor Entered Service 150 Years Ago, Red-Numbered, Imperf. S/S (MNH)
SMS LEITHA MONITOR Entered Service 150 Years Ago, Special Edition, Red-Numbered, Imperf. Souvenir Sheet; only 4,000 copies issued.
SMS LEITHA (LAJTA MONITOR) is the oldest Austro-Hungarian warship which is still afloat. In 2010 the vessel was ceremonially renamed the LAJTA MONITOR SHIP MUSEUM.
The ship was deployed several times during the First World War; For more than 70 years, from the 1920s until 1994, was used as an elevator ship for river control on the Danube.