Charles 1st - Tower Mint - Half Crown Obv:- CAROLVS : D. G. : MAG : BRI : FRA : ET : HIB : REX , Charles riding horse left, with upright sword, cloak flies from king's shoulder Rev:- CHRISTO . AVSPICE . REGNO, Round garnished shield Minted in London (Tower Mint), mintmark R in brackets both sides, A.D. 1644-1645 Reference:- S. 2778