(x) Grande Duche de Luxembourg, colour trial 20 Frang, 1943, green on multicolour underprint, arms at left, Grand Duchess Charlotte at right, reverse, brown, farmer with sickle and corn,, (Pick 42cts), perforated, red SPECIMEN WATERLOW & SONS LTD overprint, in PMG holder, previously mounted, 63 Choice Uncirculated.
Estimate: £300 - £400