Thank you for your consideration and interest. Please check out the iLike Metals store and continue to create Great days! The Phenomenon 5 oz Nikola Tesla Antiqued 999 Silver Coin from Niue is a limited edition coin with a mintage of 300. Minted by the New Zealand Mint and certified by Ceska Mincovna, this coin contains 5 oz of. The coin features an antiqued finish and celebrates the life and work of Nikola Tesla. Perfect for collectors and investors looking to add a unique and valuable piece to their collection.