GB QV 1d red imperforate entire Reading to Solicitors, Bagshott, Surrey 1851 

This appears to be an 1851 business/legal letter from Thomas Withers concerning a disputed financial claim involving a deceased relative’s estate or family account.

The stamp which has  3 to 4 margins has an English numeral cancellation  and is unplated.     

Reading cds date stamp for Apr 26 1851.