2023 Scott Specialized Catalogue of United Nations Stamps 
The NEW 2023 Scott Specialized Catalogue of United Nations Stamps is the essential reference work for collectors of United Nations postage stamps and postal history. The catalog also includes listings and values for first-day covers, inscription blocks, panes and more. Separate sections are included for the Offices in New York, Geneva and Vienna, and U.N. souvenir cards, U.N. Proofs, and U.N. Temporary Executive Authority of West New Guinea, U.N. Transitional Authority in East Timor and U.N. Interim Administration in Kosovo.
 
The United Nations section will no longer appear in the Scott Specialized Catalogue of United States Stamps and Covers, but simplified listings will continue to be included in the Scott Standard Postage Stamp Catalogue, Vol. 1.