In Autoportret z koszem owoców na tle morza, Jan Rembowski presents himself in a vibrant setting. The colors are rich, with deep blues of the sea contrasting with the warm hues of the fruit. Rembowski's expression is thoughtful, and he holds a basket filled with various fruits.

The background features a serene sea, suggesting a calm yet dynamic atmosphere. The painting is executed in oil on canvas, a common medium during the Dutch Golden Age. The artist's technique showcases detailed brushwork, particularly in the depiction of the fruits and the texture of the sea. The dimensions are approximately 70 x 90 cm, making it a moderately sized portrait.

The use of light and shadow adds depth to the composition. Jan Rembowski was a painter active during the 17th century, known for his portraits and still lifes. This work reflects the artistic trends of the Dutch Golden Age, where self-portraits often included personal symbols. The basket of fruit may represent abundance and prosperity, common themes in still life paintings of the time.

Rembowski's choice to include the sea in the background adds a unique element to his self-portrait.