A list dated end December 1912 mentioned the German ocean going fishing vessel Hai with as homeport Glückstadt, Germany, pennant SG 5 and call sign LVKR.
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).