Anglo Continental Guano Bag Seal, Image by StuE, Found by Dave

Description	:	Anglo-Continental Guano Works Ltd. AngloContinental, originally Ohlendorff & Co., had been founded in 1873, and remained a German company until the First World War, when it was reconstituted under British control. It was taken over in 1937 by Fisons Ltd. and closed in 1946. Found in the Colchester area.