As requested, "The information came from an old chap in Auckland who has been a colletcor of these for many years apparently this one is a copy of this original type :
http://cgi.ebay.com/GERMAN-TURKISH-GALLIPOLI-WWI-STAR-RARE_W0QQitemZ120307017847QQihZ002QQcategoryZ135QQcmdZViewItemQQ_trksidZp3286.m7QQ_trkparmsZalgo%3DLVI%26itu%3DUCI%26otn%3D4%26ps%3D63
Note the lack of detail in the silvered border and the difference in enamal styling, apparently the triangle enamalling on the arms is a give away as is the poor hinge attachment and sloopy finishing on the hook attachment solder."