, three ½d. panes of four and two 1d. panes of six (one with bottom pair rejoined) with each stamp handstamped "SPECIMEN" (Type 18) in violet (the third 1d. pane is missing), and five advertisment panes; some faults. Rare" /> Specimen Block Larger Than four BOOKLET: 1923 (Sept.) 2/- exploded booklet comprising outside cover marked<I> "Req 13, 204"</I>, three ½d. panes of four and two 1d. panes of six (one with bottom pair rejoined) with each stamp handstamped "SPECIMEN" (Type 18) in violet (the third 1d. pane is missing), and five advertisment panes; some faults. Rare | Christie's