2006 $1 Antique Finish Silver Coin, 1758 Pillar Dollar, exclusively by subscription. The Pillar Dollar is also commonly known as the Spanish Dollar, and it holds an important place in the collection of Australia's first attempt at forming a standard currency. Pillar Dollars were struck at the Mexico Mint and used as currency throughout the world for more than 300 years.Certificate of Authenticity included with the coin numbered 1403. Produced to demand, only 9846 will be made. Please contact Adelaide Exchange Jewellers to find out more on this item.