1350(Johann Wolkersdorfer JW 18)
- Class: Cog
- Dimensions: 92 x 23 ft.
- Notes: As depicted in the city seal of Stralsund. The cog was clinker-built with a bowsprit and mainmast. Fore and aft castles for protection and steering by a stern rudder. Could reach speeds of 5-8 knots with favorable winds.