cover Advertising Covers, 19th & 20th, 110 covers, mostly overall ad covers in various colors, incl. few college covers (U. Va., Notre Dame, Dartmouth), various state government offices and agencies, many topics are present incl. various manufacturers, publications, hotels, foods and one patent medicine cover (Humphrey's Specific), incl. couple 1857 Issue blue embossed corner card covers, etc., usual mixed quality, but incl. many very attractive and very useful covers, some have faults or are reduced, otherwise very good-very fine lot, well worth very careful examination