A close starboard bow view of the staysail spritsail barge Cabby (1928) under sail in the Thames Estuary during the 1981 Blackwater Match. She is on the port tack and a number of passengers are sitting on her main hatch. Her stern and much of her mainsail and topsail are out of the picture. The race starts off Osea Island in the Blackwater and runs out into the Thames Estuary to the Wallet Spitway off Clacton before turning for the run back. A vertical format negative