Finally getting to it!!! 1970 Duster 340

I worked on cleaning up the 8 3/4 the other day. I'm trying to make out the inspection marks on the back. Thought I would ask my fellow FABO members for their opinions. I think I see a circle with a "+" and a circle with an "A".
Also, I see that there is engine overspray on the left motor mount. I know that engines and K-members were painted separately. I'm not sure why I would find this. The car has a numbers matching drivetrain.

diff-jpg.jpg
View attachment diff.JPG


overspray-jpg.jpg
View attachment overspray.JPG