UNITED NATIONS SELECTION OF COVERS. Approx 65. c/w slogan postmark cut-outs.

UNITED NATIONS NEW YORK OFFICES 1977 25c Fight against Racial Discrimination IMPERF PLATE PROOFS, Scott 288Pl, superb never hinged mint lower left corner BLOCK of 4 with UN emblem in the margin, with inked fingerprints on the reverse as a security devise, very fresh & scarce. (4 proofs)