UNITED NATIONS NEW YORK OFFICES 1992 30c World Heritage – Uluru National Park IMPERF PLATE PROOFS, Scott 601Pl, superb never hinged mint lower right corner IMPERF BLOCK of 4 with UN emblems in the margins, with inked fingerprint on the reverse as security device. Very fresh & scarce, only 50 pairs produced. (4 proofs)

Send Enquiry for UNITED NATIONS NEW YORK OFFICES 1992 30c World Heritage – Uluru National Park IMPERF PLATE PROOFS, Scott 601Pl, superb never hinged mint lower right corner IMPERF BLOCK of 4 with UN emblems in the margins, with inked fingerprint on the reverse as security device. Very fresh & scarce, only 50 pairs produced. (4 proofs)