Though Rembrandt didn't shy away from experimentation, the use of a lead-based layer has never been seen before among his works or those of his contemporaries.
A privately owned painting by the Dutch master will be on display at Zurich gallery's booth on October 11 to 15, 2023.
The house said it had spent 18 months researching the painting, at one point scanning it to determine its true author.
Here's what we're reading this morning.
A Rembrandt had to be covered in a plastic tarp to protect it from water damage.
The oil paintings were confirmed to be genuine Rembrandts by Christie's and the Rjiksmuseum.
The Extinction Rebellion youth activists protested the Rijksmuseum's ongoing partnerships with KLM and ING.
Historians previously thought the work was a mere copy of a piece by the Dutch master.
Landscape with Arched Bridge is one of the few landscapes by the Dutch master.
The painting has been held by the Rothschild family since 1844.