For the 1844 half penny there are two die varieties.  There are two obverse dies, both with striations, paired with a single reverse die.

1844
Half Penny
Obverse
Reverse




The spacing is measured between the eight and the four.


Obverse Dies:  The Date


Narrow date



Wide date


Obverse Dies:  VICTORIA


VIC in alignment



VIC out of alignment.




Reverse Dies:  1/26

The fraction


Obverse Dies:  REGINA


Repunched I in REGINA.



Repunched G in REGINA.