In the United States, a significant number of private mints produce bullion which is not legal tender and is targeted at investors and not at coin collectors - such as this one.
The 1g JM Bullion Square Gold Bar is part of a range of bullion products introduced in 2022 which are branded with the JM Bullion brand - a major US bullion and coin dealer; the bars are struck by Geiger Edelmetalle in Germany.
JM Bullion says about it:
With more than a decade of experience in the precious metals retail space, JM Bullion’s brand recognition only continues to grow. As our customer base expands and our offerings increase, JM Bullion continues to look for ways to provide buyers with truly distinctive silver and gold for sale. What better way to provide something unique than to offer a gold bar with our brand imaging on it? | 
Search for United States: Gold Gram - JM Bullion Square Bar on eBay 
