My notes indicate, in addition to stitching pointing left on the DP's, that the fronts compare as follows, in order:
#311 Mantle Left Stitch back-
Note yellow line under the name box
#311 Mantle Right Stitch back-
Note no yellow line under name box and while line to lower right of name box
#312 Robinson Left Stitch back-
Note yellow/green line under left 2/3rds of name box and yellow line to right of name box
#312 Robinson Right Stitch back-
Note line under name box is black and there is barely any yellow line to the tight of name box
#313 Thomson (Believe) Left Stitch back with no moles-
Note (as facing the card) no blemish on his upper left eyelid and no molebelow his right eye
#313 Thomson (Believe)
Right Stitch back with moles-Note (as facing the card) white blemish on his upper left eyelid and mole below his right eye
I grabbed these all off Ebay so some folks out there might have better scans.