mintcoins.com.au | Mint Coins provides an excellent investment opportunity for the investor of current & rare coins, and current date coins in Gold, Silver, or Platinum. Sales include complete series of collectables, predecimal, commemorative, bullion and rare coins. Located in Perth, Western Australia, Mint Coins specialise in coins, opal jewellery, hematite (iron ore) jewellery and Australiana souvenirs including Aboriginal artifacts.