Burundi has issued in 2012 a mint sheet of 7500f, on the stamp is depict the FORTUNE of 1300, could not find a FORTUNE, but on the net I found the medieval cog from Great Britain the MARY FORTUNA of 1300 and she is the vessel depict. Have little info on her.
Built around 1300.
Used as a merchant or warship
Wooden hull, one mast cog with a tonnage of 132 ton, dim. 26 x 6.67 x 3m. (draught)
Crew 28 men.
Fate unknown.
Burundi 2012 7500F sg?, scott?
Source: http://de.pluspedia.org/wiki/Mary_Fortuna