I will try.
Printable View
To see those parts of the design, look at a modern memorial proof or a pic of one.
The lines are very clear on the proofs. :)
Honestly, I realized those bays were designed like that long ago, they look like the columns' shadows. This one caught me off guard as it is a very worn die and the inner column looks incomplete... (Lack of experience, I guess):tinysmile_cry_t:
Thanks Ed, I was missing your answers already...:)
Sorry for the confusion... Jon was half correct because he forgot the other columns!!!