▁for ▁the ▁Hong ▁Kong ▁$ 2 ▁coin . ▁ ▁The ▁ob verse ▁and ▁reverse ▁dies ▁are ▁correct ▁for ▁the ▁N Z ▁co ins ; ▁only ▁the ▁blank ▁is ▁the ▁incorrect ▁shape . ▁ ▁An ▁earlier ▁reported ▁instance ▁of ▁a ▁m ule ▁involving ▁the ▁small - s ized ▁ 2 0 c ▁coin ▁introduced ▁in ▁ 2 0 0 6 ▁with ▁a ▁Canadian ▁ 5 c ▁most ▁probably ▁rel ates ▁to ▁reports ▁in ▁the ▁press ▁of ▁the ▁discovery ▁of ▁Canadian ▁ 5 c ▁co ins ▁in ▁mint ▁roll s ▁of ▁N Z ▁ 2 0 c ▁co ins , ▁mainly ▁in ▁the ▁Tar an aki ▁region ; ▁this ▁was ▁simply ▁a ▁pack aging ▁error ▁and ▁no ▁actual ▁mu led ▁co ins ▁are ▁known . ▁ ▁Comm emor ative ▁co ins ▁▁ ▁Silver ▁dollars : ▁ ▁New ▁Zealand ▁has ▁produced ▁many ▁silver ▁dollars , ▁usually ▁ann ually , ▁from ▁ 1 9 6 7 ▁on wards . ▁▁ 1 9 6 7 : ▁Dec imal isation ▁of ▁New ▁Zealand ' s ▁currency ▁▁ 1 9 6 9 : ▁ 2 0 0 th ▁anni versary ▁of ▁the ▁landing ▁of ▁Captain ▁Cook ▁in ▁New ▁Zealand ▁▁ 1 9 7 0 : ▁Mount ▁Cook ▁▁ 1 9 7 0 : ▁Cook ▁Islands ▁▁ 1 9 7 1 – 1 9 7 3 : ▁New ▁Zealand ▁Co at ▁of ▁Ar ms ▁▁ 1 9 7 4 : ▁ 1 9 7 4 ▁Commonwealth ▁Games ▁in ▁Christ ch urch ▁▁ 1 9 7 4 : ▁New ▁Zealand ▁Day ,