A superb used example of a Queen Victoria embossed issue stamp.  This is SG58 6d mauve.  It is cut square, embossing is very clear and all edges are fully visible making this a scarce example.  Cancelled with 1844 type post mark with numerals 14 (Inland section of the London Chief Office NE / E) within a diamond.  SG 2025 RRP value is £750.  Please refer to the scans to assess the condition.