Antique 1800s German Nassau Selters Stoneware Clay Bottle Jug salt glaze stamped

Antique 1800s German Nassau Selters Stoneware Clay Bottle Jug salt glaze stamped. I have seen some of these listed with an exact year of manufacture but I don’t see anything on this one to indicate that. Measures approx 9“ tall and 2.5” across the bottom. Item is in excellent condition. No chips or cracks I can see. Please refer to photos for detail.