Lot 30628 – Proof overprint in black for the 5-line format of the

Proof overprint in black for the 5-line format of the low values: Upper right vertical corner sheet marginal block of thirty of Stereo Setting 2, on thin whitish paper, showing a fine array of cliche varieties, neatly mounted and expertly written up on album page, an exhibition showpiece (30). Hibernian PR2; €900+.