Very nice L78 !!
Is that the Assembly line Transmission? I have never seen a gang stamp spread out and un even like that before on a Kansas Leeds car for a 1970 Chevelle. They are usually a straight gang stamp that matches the blocks numbered fonts.

Showing is an example photographed on the last Kansas Leeds Trans I inspected that matched the stamp on the block. (Last 3 numbers scribbled for customers privacy).

prolly long shot but did this ever sell?

Yeah, I broke down and asked about it and January and he said it was already sold. Still kicking myself over that one too.