Business card for John Korff. Written on the front of the card is: "John Korff & Co, Ship Builders & c. Adjoining Duke's Wharf, Sydney. Vessels of any magnitude hove down and repaired. Blacksmiths Shop on the Premises. Boats built and repaired. A store for hire." There is an etching on the front that shows two ships on the water, five men in a rowboat, three ships in slipways and a figure with a cane watching men working. Handwritten in blue ink on the back of the card is: "Dukes Wharf on the west side of Circular Quay near George Stn."