Adelaide River (5): 'ADELAIDE RIVER/25[JA]5[6]/N.T' (A2) on unclaimed cover from Alice Springs, redirected to Darwin then endorsed "Left Railways". [Rated 3R]
PO 1/2/1946. (Image1)

Estimate AU$60

Anthonys Lagoon (2): 'ANTHONY'S LAGOON/11JL41/NORTH-AUST' (B2) on 5d Ram on Qantas cover to Hudson Fysh, Darwin with 21st Anniversary etiquette, signed Alph Ashby and GT Morgan. A rare intermediate flight cover.
PO 1/11/1938; renamed Anthonys Lagoon Outpost WS 3/4/1950. (Image1)

Estimate AU$150

Borroloola: 'BORROLOOLA/5DE55/N.T.' (A2) on 3d YMCA & 6½d pair on registered air Tatt's cover (small faults) with blue provisional label.
PO 1/9/1886. (Image1)

Estimate AU$60

Brunette Downs: 'BRUNETTE DOWNS/19DE34/N.T.' (A1) on 3d Air & 2d Macarthur on flight cover from Brunette Downs to Blackall, addition violet double-oval 'BRUNETTE/DOWNS' and separate dater on face.
WS c.-/12/1926; PO 11/12/1934; closed 31/3/1962. (Image1)

Estimate AU$75

Brunette Downs: 'BRUNETTE DOWNS/^11MR61/NT-AUST' (A1-) on 1/-, 9d & 8d on Turley cover with blue provisional registration label. [Rated 3R]
WS c.-/12/1926; PO 11/12/1934; closed 31/3/1962. (Image1)

Estimate AU$75

Darwin Outpost Radio: violet double-circle 'OUTPOST RADIO/7JAN1975/DARWIN N.T.' (A1-) on piece. [Rated 5R - used for a very short time after Cyclone Tracy] (Image1)

Estimate AU$230

Grove Hill (2): 'GROVE HILL/?36/N.T' (B2) on ½d orange KGV pair on piece. [TO only]
TO 27/3/1925; closed 28/3/1942. (Image1)

Estimate AU$60

Grove Hill (3): 'GROVE HILL/22AU62/N.T' (B1) on 1d, 2d, 5d & 1/4d on philatelic air cover to USA. [TO only]
TO 1/7/1946; closed 5/7/1979. (Image1)

Estimate AU$110

Parap (1): 'PARAP/18FE20/NORTHERN TERRITORY' (A3) on 1½d brown KGV on cover to London, 'TOO LATE' handstamp on face. [Rated 4R - extremely rare with the Too Late handstamp.]
Renamed from Paraparap PO 12/10/1918; closed 8/10/1921. (Image1)

Estimate AU$150

Parap (2): 'PARAP/4MY25/NORTHERN TERRITORY' (B2) on 1d green KGV on real photo PPC of biplane from Sydney landing at Darwin. [Rated 4R - very rare in the short-lived second period and made even more desirable being on a fascinating PPC!]
PO 23/4/1925; closed 20/7/1925. (Image1)

Estimate AU$150

Quorn-Alice Springs T.P.O.: 'QUORN-ALICE SPRINGS/31AU37/T.P.O.' (A1) on ½d orange strip of 6 on cover to USA. [Rated 3R]
Renamed from Quorn-Stuart T.P.O. PO 25/7/1930; renamed Central Australian Railway PO 11/3/1957. (Image1)

Estimate AU$90

Wave Hill: (A2) 'WAVE HILL/^8AU62/N.T-AUST' on 3d & 5d on Williams cover to USA. [Rated 3R]
PO 13/10/1925; closed 30/9/1962. (Image1)

Estimate AU$75