NATHANIEL WINSOR & CO.

The FOTW illustration derives from a clipper card at tenpound.com; the document also identifies a Dashing Wave clipper card.

Joe McMillan describes a variant with two stars: a red star in the hoist with one point down and a black star in the fly with one point up.

Mystic Seaport dates the Regular Line flag to 1850.

Loughran attributes the flag to Nathaniel Windsor & Co.; Rosanoski identifies Winsor as the correct spelling.