Greetings!  You are purchasing a 1966 commemorative medal made of sterling silver.  It is a 100 year commemorative of Emperor Meiji and was issued by the JAPAN MINT.  The purity of this medal is .925 sterling silver and it weighs 123 grams which is just shy of 4 troy ounces of beautiful sterling silver.  Also included is its storage box, holder, Certificate of Authenticity and other paperwork in Japanese.  This is a very rare and a great piece and will make a great addition to your collection.  Insured shipping will be $14.00.  I guarantee my description so buy with confidence.