cover Presidential Campaign Covers, 1870's-1944, six illustrated campaign covers (five different) incl. Hayes (pale blue embossed portrait on flap), Hayes-Wheeler (cover faulty), multicolor Harrison-Morton franked with no. 213, McKinley (two), Bryan (two, one is unused cover) and Wilkie, also incl. 1879 cover with printed enclosure - notice of state convention of The National Greenback Party, some have faults, mostly fine lot