Lot 30631 – Proof overprint in red for the 5-line format of the

Proof overprint in red for the 5-line format of the low values: Upper left corner sheet marginal block of twenty of Stereo Setting 2 with Type 1 backstamp in blue-black and initialled « B.J.B. », showing an array of cliché varieties, neatly mounted and expertly written up on album page, very fine and scarce (20) .Hibernian PR6a; €480+.Provenance: Dave Brennan