1916-17 "WAR STAMP" range with 1916 (Sept.-Dec.) 1½d. "inserted d for p" error used, 3d. "S" in "STAMP" omitted in a block of four mint, and "S: inserted by hand mint and used, 1917 (March) 3d. with overprint inverted mint. Fine. Cat. approx. #1000. (14).