Decken was a French automobile manufacturer that operated from 1901 to 1906, based in Paris. The company, officially known as H. Decken et Compagnie, produced a range of conventional vehicles during its brief existence. The lineup included four distinct models, featuring a 6 horsepower single-cylinder engine, as well as twin-cylinder variants with outputs of 12 and 16 horsepower. Additionally, the company offered a more powerful 20 horsepower…