PL.10 (QI CONSTANT VARIETY)(SPEC C6g) ON COVER. Envelope London to Ashburton, Devon with a fine die 2 1d pl.10 lettered QI L.C.14 tied neat "42" London Inland numeral and back stamped ASHBURTON DE 4 1855 in orange. Stamp shows constant variety "MARK IN I SQUARE" - unlisted by SG but present on imprimatur sheet. Original letter accompanies, religious in nature. (Ref 106357).