Arthur Price of England 25 Year Silver Plate Cutlery. The perfect range for anyone to enjoy. Silver plated up to 15 microns, and guaranteed for 25 years. This is top quality silver plate cutlery that will be the perfect centrepiece to any table, and a worthwhile investment and heirloom. Dishwasher Safe. The Harley pattern originated from the Art Deco period of the 1920s and 1930s which demanded bold geometric design and a strong emphasis in quality.