It is a 5 cent coin.
NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
From 1933 until 1940, the smallest denomination New Zealand coin in circulation was the Threepence. From 1940 until 1967, the smallest denomination New Zealand coin in circulation was the Halfpenny. All other predecimal coins circulating in New Zealand prior to decimalisation were mostly British with some Australian coins. Some of the British coins may have included the Farthing and maybe even some fractional Farthings. From the introduction of decimal currency in 1967, the smallest denomination New Zealand coin was the 1 cent coin until the 1 and 2 cent coins were withdrawn and demonetised in 1990. From 1990, the smallest denomination New Zealand coin was the 5 cent coin until it withdrawn and demonetised in 2006. Since 2006, the smallest denomination New Zealand coin is the 10 cent coin.
The now demonetised New Zealand 5 cent coin featured the "Tuatara", the last surviving member of an otherwise extinct family of reptiles indigenous to New Zealand.
Such a coin does not exist. The Tuatara was featured on the reverse of the New Zealand 5 cent coin which was withdrawn from circulation and demonetised in 2006.
NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand. The New Zealand 1992 5 cent coin was only ever issued as part of a year set. A New Zealand 1992 cupro-nickel 5 cent coin (Elizabeth II), uncirculated and in absolute mint condition could fetch up to $10 NZD. There were 24,000 minted. A reputable coin dealer will be able to give a more accurate valuation.
A New Zealand 1998 5 cent coin, uncirculated and in absolute mint condition could fetch up to $2 NZD. There were 8 million minted. A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
You do not specify a year. If by "Perfect" you mean "Mint condition" and "Uncirculated", a New Zealand 5 cent coin could fetch anything from $1 to $100 (NZD). A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
I am not sure what you mean by "delaminated". The New Zealand 5 cent coin was made from a copper-nickel alloy and was not plated with anything. NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
New Zealand being a member of the Commonwealth, has Queen Elizabeth II on the obverse of all coins since 1953. The reverse of the now demonetised New Zealand 5 cent coin featured the "Tuatara", the last surviving member of an otherwise extinct family of reptiles indigenous to New Zealand.
A New Zealand 1979 5 cent coin (only issued in a set), uncirculated and in absolute mint condition could fetch up to $8 NZD. There were 41,000 minted. A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
A New Zealand 1968 5 cent coin (issued in a set only), uncirculated and in absolute mint condition could fetch up to $4 NZD. There were 75,000 minted. A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
A New Zealand 1974 cupro-nickel 5 cent coin (QE II), uncirculated and in absolute mint condition could fetch up to $6 NZD. There were 18.023 million minted. A reputable coin dealer will be able to give a more accurate valuation. NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand.
NOTE - All New Zealand 5 cent coins are no longer legal tender, but they are redeemable for face value at the Reserve Bank of New Zealand. A New Zealand 1996 cupro-nickel 5 cent coin (Elizabeth II), uncirculated and in absolute mint condition could fetch up to $2 NZD. There were 19.008 million minted. A reputable coin dealer will be able to give a more accurate valuation.