Watch List notes:

Michael II the Armorian, 820 – 829, with Theophilus from 821 (or 822). Follis 821-829, Æ 8.07 g. MIXAHL – S Θ – ΕΟFILVS Facing busts of Michael, on l., wearing chlamys and Teophilus, on r., wearing loros; above their heads, cross. Rev. XXX – NNN Large M; above, cross and beneath, Θ. DO 10. Sear 1642.
Dark green patina and extremely fine