1852, 1c BLUE TYPE IV SINGLE USAGE ON DROP LETTER, #9, full margins, tied by Lowell, Mass d.s. on local cover, "THE INTERNATIONAL LIFE ASSURANCE SOCIETY" imprint along top, backflap torn and partly missing, extremely fine and unusal usage on a life insurane cover, with 2004 and 2016 P.F. certs., ex Newbury (May 17-18, 1961 sale lot 165) (Image)