Posted By:
JimB"Just for comparison, this Brouthers, with an insignificant small tobacco stain on the reverse, is an SGC 50. It's got a great photo. I would certainly pay more for this card than I would for the PSA 7 Brouthers, FWIW."
I echo the sentiment in Bruce's comment. Technical grades on N172s and some other 19th century cards still don't reflect condition-desirability to collectors. Image is of paramount importance to most, not a minor corner ding or back damage.
JimB