Installment #3

You will know if the Mona Lisas are in the correct order when you solve the final puzzle and read the message spelled out by the time tokens on your Time Travel Tangle Tracker.

Find something with a straight edge, like a ruler, and place it over the paintbrushes to see if the handles and the tips of the brushes line up. Only one brush forms a straight line. That is the date you are looking for.

Popova painted later than Munch and earlier than Mondrian.