Australia, Officials, 1931-32, 91 unused and 52 used stamps, incl. unused nos. O1 (seven), O2 (five), O4 (three), O10 (four), O13 (twelve), O14 (eight), used incl. nos. O1 (seven), O2 (six), O10 (two), O13 (three), O14 (two), some faults, many fine-very fine, Scott retail over $3,300.00est.