Vintage 60-70s silver metal and blue glass shell butter dish

Pretty shell butter dish in the shape of a scallop in silver-plated metal (stainless steel type), pretty reliefs, pearled contours, opening handle at the back, underside with 3 small round feet. Thick cobalt glass bowl inside to hold the butter, but can also make a nice pocket/ring holder in a bathroom. Vintage manufacture from the 60s-70s. 12cm wide, 13cm long, 5-5.5cm high, maximum dimensions when closed. Glass bowl 10cm wide by 8.5cm deep, 2.5cm high. Good used condition, some marks of time on the metal including small scratches, small stains and metal a little rough/matted in some places, no knife. About 300gr.