Charles I. Contemporary imitation of AR Halfcrown, 35 mm, 11.99 g. 1625-1649. Bristol-Bridgnorth on-Severn mule. Dated 1646. Mintmark plumes.

CAROLVS’ D[ · G ·] MAG : B[...]FR · ET · HI[B · R]EX, 
Charles on horseback left, holding sword in right hand and reins in left; plumes behind, BR below.
[...] EXVR[GA]T · DEVS [DIS]SIPENT[V]R INIMICI around, REL : 
PRO L·E AN : LI : PA in two lines; three plumes over scroll above, date 1646 below. 

Brooker 1215 (this coin); cf. North 2516; Seaby 3037.
Extremely rare. 
Ex Richard Cyril Lockett Collection (English – Part IV, 
Glendinings auction, lot 4240 (part), 26 April 1960).

With permission of cngcoins.com, auction Triton XXII, lot 1426.