Carmen,
Not a dumb question at all. I don't know the answer, but maybe someone more knowledgable on the Abraham Lincoln situation can enlighten us.
What's confusing to me is that when I go to the Victory Seeds site (Mike D. at Victory has a keen interest in and knowledge of historical varieties), he is offering Abraham Lincoln, Shumway's "Original", then at the end of that listing says
"We are continuing our search for the original 'Buckbee Abraham Lincoln' tomato."
...then I see Mariseeds offering
Abraham Lincoln, Buckbee's Original
These are wonderful, juicy, and excellent flavored tomatoes, averaging 6-10 oz. Interiors are deep dark red. They are neat, crack free and sweet.
Indet. 85 days