6 Sterling Silver Stamps. Details: The Millennium Collection is made up of 6 sterling silver stamps that were select specificially for their appeal to collectors from An Post’s “Celebrating the Millennium” series. Each stamp weighs not less than 1/2 oz troy. The set is 0073 out of 2000 limited sets. Package will include original box, stamp collection case, certificate of authenticity and collection booklet. Condition: Stamps are a bit tarnished. Please see the images above for reference. John F Kennedy 1917 – 1963. James Joyce 1882 – 1941. Albert Einstein 1879 – 1955. We do our best to respond within 24-48 hours! We will go out of our way to resolve any problems. We always leave feedback for out customers and would appreciate the same in return.