Gibralter titanium proof ?5 coin 1999:
This 1999 Queen Elizabeth II, Gibraltar-Minted beauty is the world?s first Titanium Proof. Titanium is a strong, lightweight and corrosion-resistant metal used in military and space applications. The properties of titanium make it very difficult to strike.
Obv: GIBRALTER ELIZABETH II 1999 bust of H M Elizabeth II right by Ian Rank-Broadly.
Rev: MILLENNIUM 2000 5 POUNDS a sundial, digital clock face, candle and traditional clock face.
Weight: 10 grams. Dia: 36mm. FDC

Sold March 2013