The product is an antique apothecary medicine bottle labeled with Knorr's Genuine Hien Fong Essence. It is made in the United States and is a fraud paper bottle with a blue color. This collectible piece holds historical significance as a medical artifact and would make a unique addition to any collection of vintage medicine bottles. This brand was forced to be destroyed in 1921 due to fraudulent claims. Attached is a preprint of the article.