[Eric72]

Originally Posted by TistaT202

Bought this T206 Elberfeld fielding a while ago from a board member. As you can see, it has quite a line of red ink and a small dab of what looks like yellow on the back. I tried to capture it all in the images below. I have no idea what to make of it and would love to hear from the experts on this board. Full disclosure, I will be offering for sale, so I wanted to understand what this is before I list it. Thanks for any thoughts/help. Best, Mike

Hi, Mike.

Two questions:

1. Have you taken a look at the card under a black light? (ink applied post-factory *might* fluoresce differently than the rest of the card front)
2. Have you reached out to the board member from whom you acquired this card? (it's possible they have additional info)