According to Good Delivery specifications, ingots must have a gold content of between 350 and 430 troy ounces. Unlike most sizes of gold bars, the weight is not usually marked on 400 oz London Good Delivery gold bars; however, according to the specifications of the London Bullion Market Association (LBMA) for good delivery bars, the ingots must be stamped with the serial number, the test seal of the refinery, their fineness (up to four significant figures). These different sizes of Gold bars can be purchased at a Best Gold and Silver IRA or at a private warehouse. For those looking to make a serious investment in physical gold bars, the 400 oz Heraeus gold bar is a natural choice and a reliable option.
Good Delivery London gold bars, together with 100 ounce COMEX Good Delivery bars, are the main ones held by the world's central banks and are traded on the gold market by major bullion dealers. Although people know that gold is heavy, most people are surprised when they lift one of these gold bricks for the first time. Gold bars can come in many shapes and sizes; but the classic 400-ounce chocolate bar-shaped gold ingot that everyone knows and loves, slightly smaller in length and width than a normal domestic brick and about half as tall, is the standard 400-ounce London Good Delivery Bar, an internationally traded gold ingot held by central banks. Undoubtedly, this evolved because ingots are cast in molten gold and, therefore, it was easier to simply pour and weigh them than to try to make them have an exact weight. The most popular sizes include the Kilo gold bar, a 32.15 troy ounce bar that weighs about 2.2 pounds and has one of the lowest premiums a gold investor can find.
The 400 oz gold bar, also known as the Good Delivery Bar, is the largest physical investment in gold you can make today. Holded by central banks around the world, 400-ounce gold bars are London Good Delivery gold bars that are respected and recognized around the world. And the one-ounce gold ingot, the most common size for investors and the lowest premiums for a full investment in one-ounce gold. The London Bullion Markets Association draws up a list of past and present manufacturers whose gold bars met the requirements for good delivery.
These gold bricks must contain at least 99.5% pure gold and must be kept in high-security ingot vaults, usually deep underground.