e/21 cm SK "Peter Adalbert"

Information
has gloss	eng: The 21 cm SK "Peter Adalbert" (SK - Schnelladekanone (quick loading cannon)) was a German railway gun used during World War I. It served on the Western Front and in Gallipoli between 1916 and 1918. Eleven were built, using two different surplus naval guns that shared the same mount, but only four are known not to have been destroyed after the end of the war.
lexicalization	eng: 21 cm SK "Peter Adalbert"
instance of	c/German guns