▁to ▁attribute ▁every ▁fres co ▁in ▁the ▁Upper ▁Church ▁not ▁obviously ▁by ▁C im ab ue ▁to ▁the ▁more ▁well - known ▁Gi otto . ▁In ▁the ▁ 1 9 6 0 s , ▁art ▁exper ts ▁Mill ard ▁Me iss ▁and ▁Leon etto ▁T int ori ▁exam ined ▁all ▁of ▁the ▁Ass isi ▁fres co es , ▁and ▁found ▁some ▁of ▁the ▁paint ▁contained ▁white ▁lead — also ▁used ▁in ▁C im ab ue ' s ▁badly ▁d eter ior ated ▁Cru c if ix ion ▁( c .   1 2 8 3 ). ▁No ▁known ▁works ▁by ▁Gi otto ▁feature ▁this ▁medium . ▁However , ▁Gi otto ' s ▁panel ▁painting ▁of ▁the ▁St ig mat ization ▁of ▁St . ▁Francis ▁( c .   1 2 9 7 ) ▁includes ▁a ▁mot if ▁of ▁the ▁saint ▁holding ▁up ▁the ▁col laps ing ▁church , ▁previously ▁included ▁in ▁the ▁Ass isi ▁fres co es . ▁ ▁The ▁author ship ▁of ▁a ▁large ▁number ▁of ▁panel ▁paint ings ▁as cribed ▁to ▁Gi otto ▁by ▁Vas ari , ▁among ▁others , ▁is ▁as ▁broad ly ▁disput ed ▁as ▁the ▁Ass isi ▁fres co es . ▁According ▁to ▁Vas ari , ▁Gi otto ' s ▁earliest ▁works ▁were ▁for ▁the ▁Domin icans ▁at ▁Santa ▁Maria ▁Nov ella . ▁They ▁include ▁a ▁fres co ▁of ▁The ▁Ann unci ation ▁and ▁an ▁enorm ous ▁susp ended ▁Cru c if ix , ▁which ▁is ▁about ▁ ▁high . ▁It ▁has ▁been ▁dated ▁to ▁about ▁ 1