Lot 50039 – 1870 April- May colour trials for the 1/2d. bantam stamps, 8 proof impressions on archive page

1870 April- May colour trials for the 1/2d. bantam stamps, 8 proof impressions (one impression covered by another) as struck from the small plate of six incomplete impressions of the New South Wales 1d., 2d. and 3d. “Diadem” issues on white wove paper affixed to piece of printers day book in various colours with manuscript annotations as to how the colours are made; a very rare exhibition showpiece.