The complete painting.

A Van Meegeren forgery of a Vermeer.

“How does it work?” asked Harley.

“You mean paintings are radioactive?” exclaimed Bill.

“Can we do it to the paintings we found?” asked all three together.

How Old Is a Painting?

“One question at a time. I’ll tell you how the method works and what it does if you’re really interested.”

“We’re interested! We’re interested!” chorused the boys.