Halfcrowns are known from this mint, but modern attribution suggests Hawarden Castle in 1643 rather than Hartlebury in 1646 because the dies were used in Chester in 1644. Maybe two dozen examples known with only half of that seen in modern times.
Halfcrown
1646 Halfcrown minted in Hartlebury Castle
S 3129. Pear/three pears mintmark, HC below shield. Ex Roderick Richardson. Fewer than 30 known (2025).