PL.2 (CK) CONSTANT VARIETY (SG21) ON COVER. 1855 letter Bristol to Coventry with very fine die 2 1d pl.2 S.C.16 lettered CK tied neat BRISTOL/134 sideways duplex JY 28 1855 Code L. Shows fine constant variety LOWER RIGHT SERIF OF K EXTENDED THROUGH SIDE OF SQUARE; K FAR TO RIGHT. (Ref 105617).