A Company Seal is sometime call a Common Seal. It is make up of two metal plates. One plate with the printed content is projected outwards while the other is caved in. When it is used, an embossment or impression of the seal would be left on the document.
It is use for stamping on any legal company documentation or agreement such as legal contract, share certificate etc. It works with a sticker which comes with 10 stickers in one pack and have a choice of gold, silver and red colours.