In the USA it is not possible to sales o gold bars through banks. In the USA, the gold standard is the process that is must be followed. In this system dollar bills are representative of the standard in gold. After this renunciation of the gold standard, it is rarely seen that the USA ever has used gold coins to sustain the collection of coins and commemoratives. Mostly deposit of gold is in your bank is only the asset that gives you safety. You can find in some of the states in gulf country mainly in UAE, ATMs pass around gold bars but behind it, there is a different story.

In general, it is not sold by the bank. Few of them are not sell to the normal public. Occasionally they may sell or trade gold bars with the other bank. Some of the large banks might hold gold in concave as their part of the financial hold or serves for the institutional investors but those are not available for their daily round customers. It might be the only trade used as a part of large retain transfers or mostly for the major vendible trades. The bank might be capable of advising the broker that operates gold if it is become impossible to find on your own. The bank rarely will give an offer in gold in a sale. In general bank due to some reason do not prefer to sell gold bars, the primary reason behind is for the security of bank as well as customers. Besides selling gold bars banks prefer to sell gold coins which are easy to deal with and less expensive also do not break the security. Mainly goal coin is the most common for gold that banks prefer to sell and some of the respective banks that mostly sell the gold coin are very limited in numbers. Most of the bank's sales gold coins not advertising their respective sales on the open platform for the reason of security. 

For a personal small stake of, a small number such as thousand dollars or may less, a jewelry dealer or private coin may be able to be used. If you are deciding that an indicative amount to invest in and you are not going to involve in security issues then it is better to choose funds such as Silver and Gold. If you have considered investing in Gold then it is good to buy or sell gold bullion from the local and known gold dealers whom you can trust on.

No, banks are not in favor of selling Gold bars due to many reasons, primarily due to security purposes and hyperinflation of Money. Besides, banks sell Gold Coins instead because it is much cheaper, affordable and people in India prefer to buy them on Dhanteras. Gold is a safe way of investment and banks prefer to sell it or keep it as a mortgage due to its rising prices and are a safe way of higher cash profit in the future.