Possible Caravaggio Is Withdrawn From Auction; Spain Announces Export Ban The suggested starting bid for the painting was set at around $1,800, but if it is really the work of the Baroque master, it could be worth millions. The painting was cataloged as from the “circle” of the 17th-century Spanish painter José de Ribera, but some dealers and scholars believe it is a Caravaggio.Credit...via Marco Voena By Scott Reyburn April 8, 2021 They call it a “sleeper”: With a starting price of just $1,800, a potentially undervalued old master painting was pulled from auction and is now thought to be worth millions.