Entire Letter from C NIELSEN & Co. (not in English) to GRIMSTAD franked 3d rose (wing margin, short perfs. as issued at base, hint of crease through top of stamp and postmark) cancelled WEST HARTLEPOOL DUPLEX with rare red OCTAGONAL PD (PAID to DESTINATION, unique to HULL) on Obverse and HULL SHIP LETTER cds on back - opens neatly to display, small piece of flap torn out where seal opened.   YORKSHIRE, MARITIME, INSTRUCTIONAL.   PLEASE VIEW OUR OTHER EBAY AUCTION & BUY IT NOW LOTS - MORE ADDED REGULARLY - PLEASE LEAVE FEEDBACK - BOOKMARK OUR EBAY SHOP AND RETURN OFTEN.