Andrew,
I can clearly remember passing on the first T205 Graham I saw that had the blue signature...I thought it was overwritten or traced by some kid with blue pen. That was probably 17-18 years ago, Albany NY card show. I was very early into the T205 set.
It took me a little while to see another in person (I wasn't on eBay... if it even existed then
) and then I noticed it again...and looked closer to determine that it was a non-altered card. I don't have a scan handy, but when I do...I'll post here.
So I have had the Graham a long time, meaning I passed at looking for more of them over the years. In fact I probably don't even have a black-ink version...but maybe.
I do think this is a legitimate variation, and should be in the "master set".
FWIW, I'm less fond of having the Cycle Back Mathewson listed, as that card only exists with one back type (as you point out) and looks like a simple misprint rather than a true unique version. What I mean is...like say, the Collins/Bresnahan/Chase/Wiltse pose variations or the different signature lines (Crandall, Graham, Leifield)
Here's another opportunity to promote my proposed new website
damnyoukaiserwilhelm.com
