UNITED NATIONS NEW YORK OFFICES 1983 37c Safety at Sea IMPERF PLATE PROOFS, Scott 395Pl, superb never hinged mint marginal BLOCK of 6, with inked fingerprints on the reverse as a security devise, very fresh & scarce, only 50 pairs produced. (6 proofs)

Send Enquiry for UNITED NATIONS NEW YORK OFFICES 1983 37c Safety at Sea IMPERF PLATE PROOFS, Scott 395Pl, superb never hinged mint marginal BLOCK of 6, with inked fingerprints on the reverse as a security devise, very fresh & scarce, only 50 pairs produced. (6 proofs)