A Portrait of a Gentleman in black wearing an Artist's Chain (?) and a Hat (possibly a self-portrait) within a painted Oval

Oil on Panel
Signed: 'ISpilberg'
30.5 x 24.4 cms (12 x 9 5/8 inches)
Essay: 

We are grateful to Tom van der Molen of the Amsterdam Museum who has suggested that this may be a self-portrait by Johannes Spilberg the Younger. He proposes a date for the picture of circa 1643 when the artist was studying with Govaert Flinck in Amsterdam.