Long Island 1916 ½d black on pale green G.R.I. double error, SG4a Mulready franked by India 1882-90 4a

franked by India 1882-90 4a 6p yellow-green

based on the Charles Webb novel

India 1902-11 25r brownish orange and blue

cancelled by black Maltese Cross

Richardson on his retirement (when the red 'CANCELLED' handstamp was applied)

Long Island 1916 ½d black on pale green G.R.I. double error, SG4a Mulready franked by India 1882-90 4aLong Island 1916 (7 May) d black on pale green paper with horizontal grey lines, SG4a, typewritten (top copy as always), right marginal from Plate 2a, position 12, showing error 'G. R. I. double' (with the first impression under 'G ISLA' of 'LONG ISLAND'). A superb quality unused example. Only three existed (from positions 10 12 of this plate), but this is one of only two recorded, and much the finer. Provenance: Ex 'Mountrobeck' (Christies Robson