M4

M4(1) SG 279
1/2d Dull Green
Ordinary paper
Perf 15 x 14
Harrison
October 1911
Rarity

M4(2) SG 279a
1/2d Deep Dull Green
Ordinary paper
Perf 15 x 14
Harrison
October 1911
Rarity

M4(3)
1/2d Deep Dull Green
(blotchy print)
Ordinary paper
Perf 15 x 14
Harrison
October 1911
Rarity

M4(4)
1/2d Pale Bluish Green
Ordinary paper
Perf 15 x 14
Harrison
October 1911
Rarity

Next (M5)