½d dull green Electro 4 Substituted 'CA' Monogram corner strip of 3 with White Flaw in Right Side of Crown Pos [4L56] ACSC 65(4)zd in a lower-left corner block of 6 (3x2), a couple of tiny aging marks mostly in the margin & a couple of light gum bends but all units are unmounted, Cat $1150+ for a mounted monogram strip plus unmounted singles x3. The ACSC states "For his printings from Electros 4 and 5, Harrison substituted the JBC monograms with CA monograms".

Grade A/A- B1 (Image1)

Estimate AU$300

½d yellowish green Electro 5 with Cracked Electro from Left Wattles to Kangaroo's Forearm Pos [5L46] ACSC 65(5)ka (SG 48c), light Melbourne CDS cancel well clear of the variety, Cat $650 (£375).

Grade A C1 (Image1)

Estimate AU$200

½d dull green Electro 5 Substituted 'CA' Monogram corner strip of 3 ACSC 65(5)zd in a lower-right corner block of 24 (6x4 including Thin Fraction at Right Pos [5R43], two small aging marks in the lower-right margin and on the lower-left unit, all units unmounted, Cat $1750+ for a mounted monogram strip, the variety mounted plus unmounted singles x20.

Grade A D1 (Image1)

Estimate AU$300

½d green Electro 7 TS Harrison 'COMMQNWEALTH' Imprint gutter block of 4 ACSC 65(7)z, a few 'fluffy' perfs, small hinge remainders in the upper gutter & lower margin, the stamps unmounted, Cat $1000.

Grade A/A- (Image1)

Estimate AU$250

1d red selection mostly mint with Cooke Printings 1d carmine-pink ACSC 73A with Compartment Line at Right; and Harrison Printings 1d singles including with Ferns and Thinned Left Frame (VFU), purported Cracked Electro through Kangaroo's Tail & Left-Hand frame (?), punctured 'OS' & 'OS/NSW' x2 (one used), unused pair punctured 'OS' & mint block of 4 with large-part Two Line Harrison Imprint, generally fine to very fine.  (15)

Grade A/B (Image1)

Estimate AU$500

1d red Harrison Printings ACSC 74 group stated to include all the listed shades (but D & E appear to us to be the same) plus Cooke Printings carmine-pink, Dry Ink (?), Rough Paper (?), punctured 'OS' & 'OS/NSW', Plate 3 listed varieties #74(3)d e f & g, and Plate 4 listed varieties #74(4)d to vb, fine to very fine, Cat $3500+, plus the questioned items. An unusual opportunity.  (28) (Image1)

Estimate AU$1,000

1d carmine-rose Harrison Printing with Run 'N' of 'ONE' (Third State) Plate 4 Pos [VIII/60] ACSC 74(4)vb (SG 50 unlisted variety), marginal single from the right of the pane with Jubilee Line, very lightly mounted, Cat $325 (£300 for similar varieties).

Grade A C1 (Image1)

Estimate AU$100

1½d brown Plate 4 TS Harrison Imprint block of 4 ACSC 86(4)z with Diagonal Scratch over 'T' of 'POSTAGE' Pos [4L60] in a block of 8 (4x2), well above-average centring, almost imperceptible vertical fold through the central gutter, hinge remainders in the lower margin and on two upper units with the other two lightly mounted, the lower units unmounted, Cat $1000+ for a mounted block of 4.

Grade A- B1 (Image1)

Estimate AU$300