Londonderry Port and Harbour Commissioners
LONDONDERRY PORT AND HARBOUR COMMISSIONERS
Arms : Or, on a cross gules a tower proper; on a chief argent the representation of the entrance to the harbour and a ship with three masts sailing in, all also proper.
Crest: On a wreath of the colours, A lighthouse standing on a rock proper.
Supporters: Two dragons with wings expanded proper, each charged on the shoulder with a tower also proper.
Motto: In portu quies
The arms were officially granted on February 9, 1858.
We have no information on the meaning or origin of these arms.
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