1916I Mule Halfpenny (Obverse 2; Reverse A). NGC graded AU Details BN.
International Auction Galleries | Australian Numismatic Association
<a rel="nofollow" class="external free" href="https://www.iagauctions.com/files/IAG_BC_Cat.pdf">https://www.iagauctions.com/files/IAG_BC_Cat.pdf</a>