I must inform you that, as of my last update, there is limited information available about an artist named Kaspar Jakob Van Opstal. There may be several reasons for this: it's possible that the artist may not be widely recognized or extensively documented in widely accessible art historical texts, or Kaspar Jakob Van Opstal might be an emerging artist without extensive historical records. It's also possible that the name might be misspelled, or the artist could be known by a different name in the art historical records. If Kaspar Jakob Van Opstal is a historical figure, the lack of information could be attributed to the obscurity of the artist's works or the specific niche within which they worked.
Without specific birth and death dates or a detailed biography, it is challenging to provide a comprehensive historical overview. Art history is vast and diverse, and while it includes countless well-documented figures, it also contains many lesser-known artists whose lives and work have not been thoroughly recorded or studied.
If you have any more details or context about the artist's work, era, medium, or region, I could attempt to provide more information. Alternatively, if you're interested in an artist with a similar name or a contemporary artist, please provide additional details to assist in the search for accurate information.