1856: 1 d. orange-red, imperforate, a used example with clear margin at base and touched on three sides, variety "Printed on Both Sides, Reverse Inverted", showing portions of two stamps on reverse, cancelled by rays '181' numeral obliterator in black. Illustrated in Robson Lowe Encyclopædia on page 42.The sole, unique example recorded in this shade. Cert. BPA (2003) Gi = £ 2'500.rnProvenance: Collection Victor Frankenstein, May 2000; Collection 'Alvarado', Spink, London, May 2010, lot 66. (Image 1) (Image 2) (Image 3) (Image)