These are all First Day Covers that commemorate the First Day of Issue from the UNITED NATIONS.
Each cover has the UNITED NATIONS postmark and First Day slogan postmarked in NEW YORK.
These have written and labelled addresses on each envelope.
Free U.K. Postage
USA or international bidders, please contact me before auction ends if you wish to bundle multiple lots together. I would bundle together and use Royal Mail tracking service at £27.90
I would wrap and pack for free if you can arrange your own collection.