Lot 30642 – Proof overprint in black for the 5-line format of the low Thom values: Single row of twelve cliches

Proof overprint in black for the 5-line format of the low Thom values: Single row of twelve cliches, on whitish paper, from showing a fine array of cliche varieties including positions 1 to 6 showing  »s » of  »Rialtas over  »a » of  »Sealadec », 7 to 12 with  »s » of  »Rialtas » to left of  »a » of  »Sealadec », neatly mounted and expertly written up on album page, some creases and tone spot, very fine and very scarce (18). Hibernian PR13. Ex. Commander Graham, W.Fletcher.