Original prints are traditionally signed in pencil by the artist. They are numbered to indicate how many prints there are in the edition and to identify the individual print. This number appears written as a fraction, for example: 34 / 75. This is called the edition number.
Electronic Product Code (EPC) A radio frequency identification code (RFID) attached to a product which contains a wide range of information unique to that item including the manufacturer, SKU, product information and serial number when applicable. This allows tracking a particular item throughout all stages of the supply chain.
An Energy Performance Certificate (EPC) is a legal requirement whenever a property is built, sold or rented. Since October 2008, legislation, under the Energy Performance of Buildings Directive, has made it illegal to market a property without a valid EPC. You must order an EPC for potential buyers and tenants before you market your property to sell or rent.