every little section you could see more of the drawing. >> reporter: gwenn ann found first sketch and next to her samantha, who is from allentown, found the second. >> i started it in the back in the process down in this corner. you start to see these forms appear on the paper and i was just wow i cannot discovered another painting. >> reporter: doctor barnes purchased them for $100 it is believed he didn't know what existed out of sight. he did collect 69 works by cezanne. >> with the first two that we did make discovery, of course we had hoped that we mighting finding more but no. >> reporter: or at least in the yet. cezanne uncovered is opened to the public starting friday through may 18th. pat ciarrocchi, cbs-3 "eyewitness news". >>> what a hidden treasure. >> incredible find, so many treasures there in the barnes foundation. >> absolutely. >> no doubt. >>> coming up a jewelry heist in london that is like something straight out of the movie. how thieves stole up to 300 million-dollar in valuables from dozens of safety deposit boxes. >>> plus, this. >> this is definitely in the rig