A list dated end December 1912 mentioned the German ocean going fishing vessel Roche with as homeport Glückstadt, Germany, pennant SG 9 and call sign LVMR.
Source
Archive Ministerie van Buitenlandse Zaken A-dossiers inventory number 235 (National Archive, The Hague, Netherlands).
Source
Archive Ministerie van Buitenlandse Zaken A-dossiers inventory number 235 (National Archive, The Hague, Netherlands).