What is the name of the painting stolen on March 19, 1990 for which a museum initially offered a $5 million reward for information leading towards its recovery?
Landscape with Obelisk: Landscape with Obelisk is painting by Dutch artist Govert Flinck, painted in 1638. Landscape with Obelisk:  The painting hung in the Isabella Stewart Gardner Museum of Boston, Massachusetts, United States, prior to being stolen in 1990. Isabella Stewart Gardner Museum theft: In the early hours of March 18, 1990, guards at the Isabella Stewart Gardner Museum in Boston admitted two men posing as police officers responding to a disturbance call. Isabella Stewart Gardner Museum theft:  The museum initially offered a reward of $5 million for information leading to their recovery, but in 2017 this was doubled temporarily to $10 million with an expiration date set to the end of the year.
Landscape with Obelisk is painting by Dutch artist Govert Flinck