Thank you for submitting your item for appraisal. This appears to be a japanese hand painted four part folding screen, depicting colourful koi fish in a pond, pine branches above, signed lower right 清周.
The artist is unknown. Such paintings were made in the Shōwa period for purely decorative purposes. The estimate is based on similar items sold at auction. There is no measurement for the sentimental value you might attach to the item.