How much is a heliograph by Monet worth?

The value of a heliograph by Claude Monet can vary significantly based on factors such as its historical significance, condition, and provenance. As of 2023, Monet's works can fetch millions at auction, with some selling for over $100 million. However, specific pricing for a heliograph would depend on its uniqueness and market demand. For precise valuation, consulting recent auction results or expert appraisals is advisable.