Antique Hammered Teapot/Kettle Copper (& Possibly Brass?) Vintage Small/medium

Old vintage teapot. This is copper & brass. Or possibly just copper. Unmarked There is some patina and a few marks due to its age. It polished up nicely Weight 9.3 ounces 3.9” depth inside 7.5” wide approx from handle to spout Mouth width 3”