17th to 18th century is what I would base it on. the vessel has details and shapes which point at both late 18th and early 17th century dutch ships. meaning, her rigging can be found to be like this (18th century):
or this (17th century)
the bowsprit points at the use of staysails, the stern and mizzen mast looks like she has an latin mizzen mast. the fore and mainmast most likely carry square sails.
EDIT: fun fact, the closest thing to it seems to be
http://www.shipbucket.com/images.php?di ... Sunset.png