Victorian Silver-Plated Butter Dish, Serving Lid Monogramed

That object is likely the lid of a Victorian-era butter dish or a similar serving vessel. It's often referred to as a butter dome or a butter cooler. ​Key Features ​Dome Shape: The dome-like shape is a classic design for holding a pat of butter, keeping it cool and protected from dust or insects. ​Handle: The knob on top is the handle, designed to be easily lifted. The detailed, turned design of the handle is a common feature of silverware from the late 19th and early 20th centuries. ​Scalloped Edge: The scalloped or ruffled edge around the base adds decorative flair and helps to form a tight fit with the corresponding base plate, which is missing from this photo. ​Tarnished Appearance: The dark, tarnished appearance suggests it's made of silver or silver-plated metal. Silver tarnishes over time when it reacts with sulfur in the air, creating a layer of silver sulfide. ​These items were very popular during the Victorian period (roughly 1837-1901) and the Edwardian era that followed, as serving food with elegant, specialized pieces became a sign of refinement and wealth. Monogram: The prominent, intertwined initials in the center (which appear to be "J" and "C," or a similar combination) are a monogram. This was a very common practice on heirloom silver, as it personalized the item for the original owner or family. 31 x 16 xms at largest and longest