|Diameter: 39mm, Weight: 28.3g,
Alloy: Copper: 75%, Nickel: 25%
I of GRATIA points at large border bead
I of GRATIA points at smaller border bead
(or, more correctly, Polished Flan)
Davies identifies two distinct
reverses, to do with the thickness of the lettering.
If I'm honest, I really can't be bothered with them, so these varieties are Out of Scope!