Nice additions to your collection. Tell us more about that Tiberius! As you know, I have developed a bit of a Julia Mamaea fetish of late. Here's my VENVS VICTRIX denarius:
how did you clean it? Hard to see it. Did you put in distilled water, then brush it? It looks ok, but I miss the green color that disappeared, but it could be worse (e.g., scratches from cleaning, potholes etc)
Joe, a friend of mine cleans coins under a microscope for me.. http://www.romanorum.com/docs/A Method for cleaning ancient coins. Romanorum.com.pdf
Perhaps this might give you a tingle down your leg.. JULIA MAMAEA AE Sestertius. Rome Mint 222-235 AD O: IVLIA MAMAEA AVGVSTA, diademed bust right. R: VENVS VICTRIX, Venus standing left holding helmet and sceptre, with shield at her feet; S-C across fields.