Antique silver-plated English caviar bowl with glass insert

Antique silver-plated English caviar bowl with glass insert, made in the shape of a shell and a silver knife for butter and caviar. The caviar bowl was made in England by master DAVIS & SONS at the end of the 19th century. There is a knife holder on the caviar tray.
The length of the caviar bowl is about 16 cm (6.3 inches), the width is about 10 cm (3.9 inches).
Silver knife, marked FC&C0, without sample. The length of the knife is approximately 14 cm (5.5 inches). The weight of the knife is 16,5 grams
The caviar bowl is in excellent antique condition, the glass insert is chipped and cracked (see photos and videos).