UN-New York Scott #278-279 MNH SHEETS UN Postal Admin CV$33+
UN-New York OS #33 SOUVENIR CARD Philately - The International Hobby $$
UN-New York OS #27 MNH SHEET Postal Administration 25th ANN $$
UN-Vienna Scott #123-124 FIRST DAY COVER UN Post Admin 40th ANN $$
UN-Geneva Scott #209-210 FIRST DAY COVER UN Post Admin 40th ANN $$
United Nations-Vienna Scott #296 MNH S/S 50th ANN of UN Post PHILATELY CV$7+
United Nations Scott #597-598 FIRST DAY COVER UN Post Administration 40th ANN $$