Silver Lid Wilkin Jams. Your favourite Wilkin & Sons Jam with re-usable Sterling Silver 925 lid. The silver jam lid is fully hallmarked. Each Silver jam lid will be sent including a full jar or bottle. Other available Sterling Silver Lids : Marmite – 125 gr and 250 gr. Branston Pickle Lid – 360 gr. Bovril – 125g & 250g. Duchy Cranberry Lid – 340 gr. Colmans Mustard Lid – 100 gr & 170 gr. Heinz Tomato Ketchup Lid. Nutella Lid – 400g and Helmans Mayonaise lid 400g. These Silver Lidded jars are manufactured in the UK and are all gift boxed. A great gift for the person who has everything!