I140 amendment eb3 to eb2

My employer filed i-140 in EB3 initially by mistake . After getting the receipt notice, we realized that it was filed in EB2.We requested correction and amended to EB2 in premium. We got I-140 approved in EB2 first in February, 2015. Now my employer says, we have another i-140 approved in Eb3 in a later date (October,2015). All these i-140 have same alien number and same priority date but different receipt number .
Our priority date is November,2009. Which I-140 is valid. EB3 or EB2?

Please help