One wonders. Compare two examples from the recnet MastroNet auction:PSA 7 E95 Mathewson $12,863http://www.mastronet.com/index.cfm?action=DisplayContent&ContentName=Lot%20Information&LotIndex=48955&CurrentRow=1GAI 6 E95 Mathewson $1,854http://www.mastronet.com/index.cfm?action=DisplayContent&ContentName=Lot%20Information&LotIndex=49073&CurrentRow=1Is a one grade difference really worth a 7X multiplier?