Details: This poster is of The Ship's Battle of Lepanto on 7 October 1571, by Melchior Lorch. It shows a boat with oars and sails in the center. They are firing arrows at another, smaller boat, labeled Fregata Turchesca (Turkish boat).
Melchior Lorch (Flensburg 1527 - c. 1583 or 1588) was a Danish draftsman, engraver, painter, architect, and author. Lorch had a highly productive career that ranged from Denmark to Turkey.
This poster is usually printed with a thin white edge border.