1862 4D RED (SG80) LETTERED CK CONSTANT VARIETY "DEFECTIVE LETTER K" ON COVER. 1863 entire London to Roquevaire, France with 4d lettered CK tied LONDON-E.C/72 duplex AU 25 63. Unfortunately stamp rather stained and centred to lower right but the constant variety "K AT LOWER RIGHT DEFECTIVE" (Spec J52d Cat £550 off cover) is just visible. On reverse ROQUEVAIRE date stamp 27 AOUT 63. Faults but priced accordingly. (Ref 98638).