Blundered inscription with retrograde S (and perhaps ligate VN) in two lines in square panel with concave top and bottom. Inverted M or retrograde N or symbol above. Letter or symbol below.
Obverse script
Latin
Obverse lettering
AOTA
COSN
Reverse description
Equine griffin right with rhomboidal linear wing and long curved beak. Inscription above, below (retrograde) and possibly behind (ligate with retrograde P). Pellet in front.