2007 $1 Gold Gilt Silver "ONE JOHANNA" Coin! NEW!!! **Antique Finish Gold Gilt SILVER!** What a beautiful Australian Commemorative $1 Solid Silver, with Gold Gilt coin here. 1722-32 One Johanna proclamation coin commemorative! This coin is Brand New, the box and all packaging is Perfect as expected!! VERY LOW MINTAGE!! 99.9% Pure Silver, 60.50 grams, 50mm Diameter.