My name isCustomerand I would love to help.
This still life oil on canvas by Austrian artist Karl Sascher
has a current value of $200 to $250 retail. I have added
a photo of one that recently sold in this range.
To sell the piece, you could try ads on sites like these;
Try ads on sites such as
Some other sites that I recommend for selling are Varagesale.com, Ioffer.com, Ebay and letgo.com.
You can also go to invaluable.com or liveauctioneers.com and search their directory for an auction house near you and consign to them.
It is important for you to click the stars after you have read this answer.