GUADELOUPE, 1884 POSTAGE DUE ISSUE ESSAYS ON COARSE BUFF PAPER, #J6E-J11E, six diff. incl. 5c, 10c, 15c, 20c, 30c and 35c, large margins, few showing traces of toning, fine-very fine, scarce proof material, each signed by Scheller, donated by Paradise Valley Stamp Company. Estimate $450. (Image1)