Charles I. 1625-1649. AR Halfcrown. 35 mm, 14.66 g. Group I, type 1a1, Tower mint, Mintmark fleur-de-lis. Struck 1625. 

CAROLVS D G MAG BRI FR ET HI REX, Charles on horseback left, 
raising sword over right shoulder, on plumed and caparisoned horse.

CHRISTO AV SPICE REGNO, coat-of-arms over long cross fourchée.

Seaby 2763; Brooker 276; North 2200.

With permission of cngcoins.com, auction Triton XXII, lot 1419.