unused Miscellany, 19th & 20th Century, small accumulation of nearly all unused U.S. and U.N. in glassines, better items incl. unused nos. C18, no. C18 on Graf Zeppelin flight cover (has U.S.S. Macon printed cachet and Art Driscal autograph), also incl. some Air Post coils and booklets, some unused U.S. blocks and plate no. blocks (some Air Post), U.N. incl. inscription blocks and one 'UNTEA' overprint set, generally fine-very fine lot est.