Market research has shown conclusively that consumers are concerned with the provenance of the food they buy and they want an easy way of checking it out. With Guaranteed Pure Highland Beef it's simple. Every bit of Guaranteed Pure Highland Beef is backed up by a Certificate from the Highland Cattle Society approved by the Trade Mark Examiner. A phone call to the Society for verification by quoting the certificate number and the name of the butcher you bought it from is all that's needed to authenticate your purchase of the world's best beef.