This is a vintage black and white drawing or sketch of a fortification. It appears to be a bird's-eye view of a star-shaped fort, with bastions extending outwards. A moat surrounds the fort, and there are trees and a landscape visible beyond the fortifications. The style is reminiscent of historical military diagrams or maps. The drawing is detailed with lines indicating the structure of the walls and bastions. There are markings and labels in the bottom right corner, and a number in the top right corner. The image has a slightly aged or worn appearance, typical of older drawings or prints.