What is the worth of the Copper Kettle painting by R. Colao?

The worth of "Copper Kettle" by R. Colao can vary significantly based on factors such as the painting's size, condition, provenance, and current market demand. To obtain an accurate valuation, it's best to consult recent auction results, art appraisers, or galleries that specialize in the artist's work. If you're looking for a specific price, consider getting a formal appraisal from a qualified expert.