Large Envelope c.11 x 5" with no contents to PATRICK STORMOUTH DARLING in KELSO with filing note lower right but not affecting this rare cancel or the strip of 3 stamps, several old pencil calculations and figures which could be removed, a little peripheral soiling/creasing (vertical crease through first word PATRICK).  This postmark listed by RICHARD ARUNDEL's 2002 booklet (RA 19) and rated £200 back then with fewer than 20 examples recorded.  A RARITY and missing from most Edinburgh collections.   ROXBURGHSHIRE, LINE ENGRAVED.   PLEASE VIEW OUR OTHE AUCTION AND BUY IT NOW ITEMS - MORE ADDED REGULARLY - PLEASE LEAVE FEEDBACK - BOOKMARK OUR EBAY SHOP AND RETURN OFTEN.