This is a vintage International Deep Silver heart-shaped dish in the "Laurel Mist" pattern, which was produced between 1966 and 1976. 
The dish is silver-plated and features an ornate floral design on the rim and a prominent embossed heart in the center. 
It was often sold as part of a hostess or party set with a matching serving spoon. 
Items in this pattern are considered collectibles. 
The "Deep Silver" line was known for its thicker silver plating.