Being since I have noticed this on a few cards, I assume the black dot/ink mark above Mick's hat on the upper border is common knowledge?
Some have it, some don't.
http://www.ebay.com/itm/1956-TOPPS-b...EAAOSwAO9ZTZRv
http://www.ebay.ca/itm/1956-Topps-13...cAAOSw8d5ZUd-i
http://www.ebay.com/itm/1956-Topps-1...19.m1438.l2649
Any reasons/info why and does it hurt value any?