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.