The first rank unlocks the Small Tradesman's Cog, and the second rank unlocks the Large Tradesman's Cog.
The Venetian shipbuilding Attainment is required to unlock construction of the two Venetian ships. The Large Tradesman's Cog also has armaments on board, which allows it to continue operating during wartime without the need for an escort.
By default they have extended Cargo hold capacity and higher damage resistance than other Ships. Two new Ships were added by the Venice add-on: the Small and Large Tradesman's Cog. * The Flagship and Corsair ship can only be purchased for the displayed amount from Lord Northburgh and Hassan ben Sahid respectively.