Antique Wm. Rogers silver plated teapot. Pattern no. 800. Really rare exceptional condition for it's age. No dents, no scratches, no corrosion, no flaking of the silver plate.
I just polished this and it came out beautiful. Stands 10.5" to top of finial. Weighs 2lbs 5.5oz.
Online they range $80 to $450 for identical pieces. In excellent condition like this one they are $300 to $450.