SG13. 1861 (27 February).

Very fine used horizontal strip of four.

Provenance:-  Ferrary (1921), Burrus (1962), "Maria de la Quellerie" (Harmers, London, 18 May 1970), Sir Maxwell Joseph (Sotheby's, London, 28 October 1982), "Bonaventure" (Christie's, London, 9 September 1993).

B.P.A. Certificate.  (The Certificates mentions 'slightly thinned', but we cannot find any trace of thinning).

UNIQUE.  NO OTHER 'WOODBLOCK' STRIP OF FOUR EXISTS.