#UNG103-041981 United Nations Volunteers Program
$1.50 #UNG951980 Peacekeeping S/S
$1.75 #UNG921980 Peacekeeping
$1.50 #UNG93-941980 United Nations 35th Anniversary
$1.75 #UNG981981 Inalienable Rights of the P
$1.00 #UNG105-061982 Definitives
$1.75 #UNG109-101982 Space Exploration
$2.25 #UNG111-121982 Conservation
$2.75 #UNG99-1001981 International year of the Disabled
$2.50