LEITH EXPERIMENTAL DUPLEX TYPE 1/PL.202 (LL)(SG17). Good used 1854 die 1 1d pl.202 lettered LL S.C.16, centred to right but no faults and with good perforations cancelled fine large part strike of the rare LEITH EXPERIMENTAL DUPLEX TYPE 1 SE 1855. (Ref 107019).
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