For the 1866 half penny there are three die varieties consisting of three obverse dies paired with one reverse die.

Ramblings 2
Entrance to St. Heliers
From "Rambles Among the Channel Islands, by a Naturalist"
by Jean Louis Armand de Quatrefages de Bréau, c.1860


1866
Half Penny
Obverse
Reverse



The spacing is measured between the sixes.


Obverse Dies:  The Date



Large Spacing


Small Small