4d Orange (Aniline), BW #15B, MUH, Cat $2,000. Drury certificate (2018) (Image1)

Estimate AU$700

4d Orange-Yellow BW #15E, mint, Cat $1,250. (Image1)

Estimate AU$300

4d Yellow-Orange x2, BW #15F, used, Cat $300. (2) (Image1)

Estimate AU$90

4d Orange with Brisbane CTO cancel, BW #15wd, MUH. Only 51 issued and grossly undercatalogued by Brusden White. (Image1)

Estimate AU$800

4d Yellow-Orange Plate 2 CA Monogram strip of 3, BW #15F(2)z, MUH, Cat $12,000. (Image1)

Estimate AU$7,500

4d Orange Plate 2 JBC Monogram block of 4, BW #15(2)zb, MUH, Cat $7,000++. (Image1)

Estimate AU$4,000

4d Yellow-Orange Plate 2 CA Monogram single in block of 4, BW #15(2)zb, lower units MUH, Cat $8,250++. A very rare monogram shade combination (Image1)

Estimate AU$6,000

4d Orange Plate 2 CA Monogram used on piece, BW #15(2)zc, monogram became separated while stamp was place on cover, Cat $4,000. Ceremuga certificate (2013). Used monograms are very rare. (Image1)

Estimate AU$1,500