1852 Waterlow 4 cent black on deep blue, margins varying from clear to large, used on piece and tied by light Demerara datestamp on 27 March 1853, usual natural surface erosion, rare; (SG £12’000).
E. C. Francis (Robson Lowe, October 1976)
John E. du Pont (Lot 60050, David Feldman SA, June 2014)
Expertise: Signed “AD” Alberto Diena, Cert. BPA (2014)