Wd, I do no think it's an ink issue as it would to be blurry and would be further to the left as it would have come from the reverse plate # of another note. My initial thought was that it was an engraving error, but I do not see anything reported in Sullivan's book.
Interestingly the "6" is about the same font size as a web note. Here again the on the webs it would have been further to the right and no such things have been reported.
Security thread is where I am leaning more towards as I have seen them in the shape of "O" quite regularly and this note has quite a few visible. This is more a freak of nature like the folks who see all kinds of shapes and figures in the clouds.
Any who, I have put it away with the "to be graded" pile as its got a cool factor going for it. I am attaching another pic may be you can see it better.
Peace

Interestingly the "6" is about the same font size as a web note. Here again the on the webs it would have been further to the right and no such things have been reported.
Security thread is where I am leaning more towards as I have seen them in the shape of "O" quite regularly and this note has quite a few visible. This is more a freak of nature like the folks who see all kinds of shapes and figures in the clouds.
Any who, I have put it away with the "to be graded" pile as its got a cool factor going for it. I am attaching another pic may be you can see it better.
Peace






















