inscribed in blue ballpoint pen and pencil on support reverse u.c.: "RUST" 258 inscribed in blue fibre-tipped pen and red ballpoint pen (diagonally) on support reverse u.c.: ALLEN G. GRAY Hon EFIAP APSA / 13 SOUTH AVE (crossed out) / DOUBLE BAY NSW (crossed out) / 172 SUTHERLAND ST (crossed out) / PADDINGTON (crossed out) inscribed in blue ballpoint pen on support reverse c.r.: A stamped in purple ink on support reverse l.l.: SYDNEY INTERNATIONAL inscribed in pencil in stamp on support reverse l.l.: C 8337 2 4 4 10 / A