1862 6D LILAC ERROR OF WATERMARK, SHAMROCK MISSING (SG84c/SPEC J71(2)i). A good used used 1862 6d lilac lettered TF with LONDON cds AP 14 64 and showing the error of watermark 'SHAMROCK AT LOWER LEFT MISSING' (SG84c/Spec J71(2)i), with variety clearly seen when viewed from the front. The first example of this error we have ever seen. RPS Cert 231165 'used is genuine closed tear at bottom'. Unpriced by SG. (Ref 114377).