Antique copper pudding ring mould.
Of the type and age you would see in a National Trust kitchen.
No maker's marks apparent.
height 3.25 inches;
diameter (outer) 4.25 inches; (inner) 1.5 inches.
Weight 300g (allow 750g once packed).
Reasonable condition for its age - superficial marks and scratches and lots of dings and dents but all part of its character.