Up for offers is a 1962 Seattle Worlds Fair World of Art Medal. The medal is .999 Silver, 30.4 grams, and is made by Metal Arts Co. Please see the pictures for the exact medal you are buying. If you have any questions please don't hesitate to ask. Shipping is free anywhere in the US and will come with a tracking number. If you need a shipping quote to Canada just ask. Thanks for looking and good luck.