1974 Collection Set of 5 United Nations Medallic First Day Covers with Sterling Silver Medals, in uncirculated condition, in original plastic sleeves and blue album with mailers, blue envelopes and certificates. Each cover has the first day of issue commemorative stamp, the matching 1 1/2" in diameter sterling silver first edition proof medallion and the postmasters of America certificate of authenticity on the back of the envelopes that they were mailed and postmarked in.The U. N. medals are: International Labour Office Centenary of the Universal Postal Union Art at the United Nations World Population Year Law of the Sea They all have the "UNITED NATIONS" emblem on the back of the coin, an amazing set in uncirculated mint condition. The actual item looks better than the picture due to a reflection on the plastic cover. , 100% Feedback since 1999! Professionally packaged, quick shipping with delivery confirmation and insurance, by next business day after payment is received. Please don't hesitate to contact me with any questions. All of our items are fully guaranteed. 100% customer satisfaction is our primary goal. Please see our other postage stamp auctions. International shipping only to countries that we can obtain insurance from USPS. Thank you for looking!