RRR! ERROR - JERSEY 2 Pounds 1987 Pink Pigeon WWF silver Proof! , KM# 70. Weight: 28.28 g (0.925). 25 Years of WWF with folder and 2 COAs. The German side of the large COA shows a WRONG INFORMATION ON ALLOY: "Kupfer-Nickel" (German for cupronickel). The English side of this COA bears the correct alloy details: ".925 SILVER". The coin itself has a market value of about EUR 30.