1966 Navigators $2 marg blk of 10 (5x2), lower row showing 'ink stripping'. VF fresh MNH. SG 402(var), unlisted in ACSC. (P) (Image1)

Estimate AU$600

1970 QEII 6c orange blk of 4, variety 'comp off-set of design on reverse'. Fresh MNH. ACSC 446c cat $400. (P) (Image1)

Estimate AU$150

1971 Floral coil 7c prs with error 'buff & green OMITTED' or 'buff only OMITTED', normal to compare. VF fresh MNH. SG 468b/bb/bc cat £610. ACSC 535/ce/cg cat $850. (3 prs) (P) (Image1)

Estimate AU$200

1971 Floral coil 7c prs with error 'buff & green OMITTED', plus normal to compare. VF fresh MNH. SG 468b/bc cat £160. ACSC 535/cg cat $250. (2 prs) (P) (Image1)

Estimate AU$100

1972 Olympics 1c Rowing UL cnr part pane of 25 with varieties 'retouch to Munich 1972' (pos 1/2), 'circular white ring in dark blue band' (pos 1/3) & 'retouch to RAL of AUTRALIA' (pos 2/1). ACSC 602d,e,f,z(var) cat $600+. A scarce short-lived variety. Rare as blk of 25. (Image1)

Estimate AU$300

1972 Christmas 35c Christmas sheet of 100 with all ACSC listed varieties, full autotrons & both sheet & numbers. SG 531. ACSC cat $950 with position multiples worth a premium. Scarce as a comp sheet. Fresh MNH. (Image1)

Estimate AU$250

1973 Gemstone 7c black OMITTED (7c & 'Agate'). VF CTO tiny cnr cancel. Another with missing 'Agate' at base & trace of '7' at UL. Fresh MNH, plus normal to compare. ACSC 642c/cc(var) cat $150 (3) (Image1)

Estimate AU$80

1978 Aviators 18c Hinkler TR cnr blk of 4, error 'yellow misplaced upwards'. VF fresh MNH. SG 659(var). ACSC 791 cat $600 (P) (Image1)

Estimate AU$275

1978 Aviators 18c Kingsford Smith IMPERF horiz pr. VF fresh MNH, all 4 margins. SG 660a cat £110, ACSC 792b cat $150. (Image1)

Estimate AU$90

1980 Aircraft 22c IMPERF vert pr. VF fresh MNH. Originates from the 2nd of only 2 imperf sheets recorded (the 1st imperf sheet was sold intact in our auction 350 & will remain intact). SG 761(var). Using ACSC numbering & estimating prices from other imperfs of the period this would be ACSC 883PP(2) est cat $200 per imperf pr. (P) (Image1)

Estimate AU$150

1980 Aircraft 22c IMPERF horiz strip of 3, right stamp variety 'red dot on wing'. Fresh MNH, sl horiz bend. Originates from the 2nd of only 2 imperf sheets recorded (the 1st imperf sheet was sold intact in our auction 350 & will remain intact). SG 761(var). Using ACSC numbering & estimating prices from other imperfs of the period this would be ACSC 883PP(2) est cat $200 per imperf pr, est cat $300+, plus premium for positional variety & this unique multiple. (P) (Image1)

Estimate AU$200

1992 Threatened Species $4.50 2 Koala reprint, error IMPERF. VF fresh MNH. SG SB78a(var), 1327qb cat £375. ACSC 15bb(1)b cat $450. PF B170Bv. Only around 20 discovered. (P) (Image1)

Estimate AU$250

1994 Kangaroos & Koalas 45c Peel n Stick horiz strip of 6 IMPERF, 4th reprint with 4 Koalas on backing. VF MNH. SG 1459-64(var). ACSC 1737-42Eb listed but unpriced. (P) (Image1)

Estimate AU$200

2000 International Post Emergency opt on 1999 Greetings $1 Koala, comp sheet of 20 with Pic Tabs at right. 2001 World Veteran's Athletic Championship Brisbane (rare, 1st we have seen). SG 2024a cat £180, retail $400 with normal Greeting sheetlet for comparison & both original Tab Proof sheets. Scarce group of 4 sheetlets. (Image1)

Estimate AU$180

2000 Sydney Olympics Gold Medal Digital Trial printing sheet of 10 with Platypus imprint picturing Matt Welsh Swimming 200m backstroke - he won only the bronze medal. VF fresh MNH. SG 2027A(var), ACSC 2348(var). Unique left pane roulette at right. (P) (Image1)

Estimate AU$1,500

2000 Sydney Olympics Gold Medal Digital Trial printing sheet of 10 with Platypus imprint picturing Caroline Hildreth Swimming 200m Breaststroke - she did not make the final. VF fresh MNH. SG 2027A(var), ACSC 2348(var). Unique right pane roulette at left. (P) (Image1)

Estimate AU$1,500

2000 Sydney Olympics Gold Medal Digital Trial printing sheet of 10 with Platypus imprint picturing Hayley Lewis swimming 800m Freestyle - she did not compete in these Games. Also shifted perfs. VF fresh MNH. SG 2027A(var), ACSC 2348(var). Unique right pane roulette at left. (P) (Image1)

Estimate AU$1,500

2000 Perth Skyworks 45cSES sheetlet of 10 for Australia Day Perth Fireworks Display. Rare with very few sheetlets produced due to machine malfunctions. Retail $320. (Image1)

Estimate AU$140

2008 Aviation $2 Airbus IMPERF M/sheet of 4 in printer's ½ sheet of 12 M/S from left pane, no 355 of 750 with uncut wide margins with colour bars, imprints etc. VF fresh MNH. SG 3036(var). FV alone $96, retail $550+. (Image1)

Estimate AU$150

2009 Stargazing $4.10 M/sheet of 3 IMPERF in printer' sheet of 16 M/S with huge uncut margins with colour bars etc. VF fresh MNH. SG MS3269(var). FV alone $65+. Retail $400+. (Image1)

Estimate AU$90