[gawaintheknight]

I have some 1969 Topps football cards where the football with the card number in it is surrounded by a darker circle than the black background of the card. I had assumed that this was a printing issue, but am now being told that it is the result of someone using marker. The green footballs look identical to non-circled ones otherwise, so I think it would take a lot of precision to do that with a marker. The cards I have have come from several different sources, which is why I thought it was a printing issue. Can anyone help me address this? Thanks in advance.