Lot 51045 – 1916 1/2d Black on pale green paper with horizontal grey lines showing variety “G.R.I.” DOUBLE

1916 1/2d Black on pale green paper with horizontal grey lines showing variety “G.R.I.” DOUBLE (with the first impression under “LONG ISLAND”), unused (as issued) right marginal from plate 2a, pos.12, very fine and extremely rare, only three existed (from pos.10-12 of this plate) but this is one of only 2 reocrded and this example being the finest, ex “Mountrobeck”, cert. Holcombe (1990) (SG £5’500)