Abstract Collection includes binders with first day of issue covers, circa 1958-1981, including series commemorating Captain James Cook by artist Charles Lundgren and the Bicentennial in 1976. Also included are binders of first day covers with commemorative medals, 1971, from series "Great Historic Sites of America" and "United Nations Association of America" from the Franklin Mint; a binder describing commemorative medals, circa 1976, for the series "The Fifty-State Bicentennial Medal Collection";...