New Zealand 1984 Silver Proof Coin - The Chatham Island Black Robin

NZ 1984 PROOF STERLING SILVER $1 CHATHAM BLACK ROBIN-MINT CONDITION IN A BLACK CASE & INFO CARD. THE $1 COIN IS STERLING SILVER & WEIGHS 27.216GMS. THESE SETS ONLY HAD A MINTAGE OF15,000 SO ARE SEMI RARE