Canada, Postage Due, 1906, 2¢ violet, left margin lathework single, lathework type A, tied by purple "Winnipeg, Canada, Mar 17, 1922" boxed handstamp on incoming U.S. 2¢ entire from Brooklyn, N.Y., machine postmark, second strike of purple handstamp on reverse, Very Fine, a very rare usage of the 1906 2¢ Postage Due with Type A Lathework, Unitrade catalog $1,000 for mint single. Scott No. J2  Estimate $750 - 1,000. $0 (Image)