THIS IS A NEAT LITTLE ENVELOPE (APPROX 12 CMS X 7 CMS), SENT 1865 FROM LONDON TO STOKESLEY IN YORKSHIRE AND BEARING A QV 1d RED (PL.74).  THE STAMP IS CANCELLED BY A LONDON DUPLEX (24 - DULWICH), AND ON THE REVERSE ARE TWO RECEIVING POSTMARKS AN EXCELLENT NORTHALLERTON AND A GOOD STOKESLEY - BOTH DATED 24TH AUGUST, 1865.   THE FLAP HAS BEEN SLIGHTLY DAMAGED IN OPENING BUT THIS HAS THE BONUS OF LEAVING THE WAX SEAL INTACT.   I AM SELLING THIS WITH AN UNCONDITIONAL GUARANTEE AND FREE POSTAGE WITHIN THE UK.