Focus on this artwork and explain the Hals portrait.
This painting was documented by Hofstede de Groot in 1910, who wrote; "183. Cornells Guldewagen (who died in 1663), Burgomaster of Haarlem in 1642. M. 36. Half-length. A man of sixty with moustache and imperial, seated, facing the spectator. He is in black with a white collar and wristbands, and wears a black cap. His bare right hand is on his breast. His gloved left hand holds the other glove. Probably a small picture, painted between 1655 and 1660. Described from a water-colour copy by C. van Noorden in the Haarlem archives, which occurred in the sale Ekama of Haarlem, Amsterdam, April 8, 1891. See Moes, Iconographia Batava, No. 2994. Exhibited at the Royal Academy Winter Exhibition, London, 1871. Then in the Schwabe collection, London.
Haarlem Moes Hofstede de Groot Royal Academy C. van Noorden