Henry VI AR Halfpenny, ca 1445-1454 AD. London mint. Leaf-Pellet Issue. 12.66 mm, 0.3 g.

HENRIC REX ANGLI, Crowned bust facing. Dot on each side of crown, leaf on breast.
CIVI TAS LOn DOn, three dots in each of four quarters. extra dot in the border of two of the quarters.

Seaby 1928; North 1512

Image courtesy of gilliscoins.com.