Proof 1910 Half Tone essays, 3d. large format in black, 7d. small format in grey-black (slightly cut-down) and in brown-lilac, the last with black "W/25"; fine | Christie's

Lot 626

626

Proof 1910 Half Tone essays, 3d. large format in black, 7d. small format in grey-black (slightly cut-down) and in brown-lilac, the last with black "W/25"; fine

Details

Proof 1910 Half Tone essays, 3d. large format in black, 7d. small format in grey-black (slightly cut-down) and in brown-lilac, the last with black "W/25"; fine