Great Britain Silver 1/2 Crown "Charles I" 1645 KM# 329.5

Obverse
The grass below horse.
Lettering: ∙CAROLVS∙D:G:MAG:BRI:FRA:ET HI:REX∙

Reverse
Crowned ornate arms flanked by standing crowned lion and unicorn.
Lettering: CHRISTO ∙ AVSPICE ∙ REGNO C R 16 45