Portrait of Stephan Geraedts, Husband of Isabella Coymans is a late oil on canvas painting by the Dutch Golden Age painter Frans Hals, made when the artist was about 70.

In 1610, Hals joined the Haarlem Guild of Saint Luke, a year later he produced his earliest known work, Jacobus Saffirus.

The Royal Museum of Fine Arts in Antwerp also considers it to be Hals' most valuable painting in the Low Countries.

[6] Because of the dark palette, the thin paint application, the broad and virtuoso brushwork, but also because of the psychological transparency, the portrait has a special artistic value.

His smile is a snapshot that Hals probably painted directly on canvas with a brush; he left no preliminary studies.

Arnold Houbraken wrote the following about this in his Groote Schouburgh der Nederlantsche Konstschilders en Schilderessen (1718-1721): It is said that he had a habit of making his portraits bold and melting, and afterwards inserting the brush strokes therein, saying: Nu moet er het kennelyke van den meester noch in[6]If the twin portraits are placed side by side, it is striking that the alderman is smiling at his wife.

Geraerdts' outstretched hand is more roughly worked out than the face, and contained in a sleeve that art historians consider to be virtuoso.

Hals depicted quite realistically the deep black cloak with gold embroidery of the alderman via fast, straight, almost impressionistic brushstrokes.

In addition to the fact that Hals's portraits were costly, the alderman ostentatiously shows off his expensive clothing.