It is important to note that some countries have or are in the process of implementing regulations about which precious metals and how much one may store in a retirement program -- so it's critical that you check with your lawyer regarding the scale and use of precious metals if you're using them as a retirement fund. As an example, in the United States, Which is better to buy, gold coins or bars of the same weight? Which is easier to sell?
How much value is lost when this 1 kg 24k gold bar is smashed?
Is buying 1 gram of gold coins every month a good idea?
How much is a gold dollar coin worth?
What are the pros and cons of investing in physical gold, as in buying a gold bar or gold coin?
Is it better to buy an 1 oz. American Eagle gold coin or an 1 oz. Buffalo gold coin?
In the past, how many gold coins were needed to buy 1 gold bar?
only 99.9% pure gold may be used as any part of a self-directed IRA account. This would keep some coins, such as the South African Krugerrand, from being able to be used in that role. https://www.a1mint.com/