1970-73 6c Orange QEII corner block of 4 with additional piece with plate dot at left due to paper fold in the printing process. (Image1)

Estimate AU$75

1971 7c Reddish Purple QEII marginal strip of 8 from left of sheet showing Major ink spill on the two central units, the three units above showing a Pre-printing paper fold, the three units below showing a Line of deep purple ink; hinged in margin only, stamps MUH. Unusual discussion piece. (Image1)

Estimate AU$150

1966-68 Birds BW #455ca 15c Galah with Grey partiallly omitted (tail feathers and most of branches); ink stain on four perfs at left, MUH, Cat $2,750 (for a complete colour omission). A striking flaw. (Image1)

Estimate AU$200

1966 Navigators BW #462x-5x+462xb&463xa optd 'SPECIMEN' includes both measurements of 75c and $1 overprints, fresh MUH, Cat $430. (6) (Image1)

Estimate AU$200

1966 Navigators BW #462xb,463xa,465x,466x set of 4 optd 'SPECIMEN', the 75c & $1 values with 15mm overprints, MUH, Cat $365. (4) (Image1)

Estimate AU$150

1970 Cook Miniature Sheet with Double spear variety on 30c stamp x10. (10) (Image1)

Estimate AU$85

1975 Wildflower BW #727ci 45c with Misplaced green-grey background - 2mm to left. (Image1)

Estimate AU$75

1981-85 Butterfly Definitives BW #1001a 27c Ulysses Butterly error Imperforate pair, fresh MUH, Cat $600 (SG #791a Cat £650). (Image1)

Estimate AU$400

2013 $10 Kangaroo M/S including mint x 4, ovptd Specimen x2, perf large 'OS', perf small 'OS' x2 and ovptd 'OS'. This minisheet was only available at the 2013 Exhibition and was the only way to obtain the various 'varieties'. Fresh MUH. Also includes Post Card 'Original steel die for Kangaroo and Map stamp' cancelled FDI 10th may 2013. Rare opportunity. (2) (Image1)

Estimate AU$200