Y P/NO 15" of Handsworth, on entire with beautiful pictorial printed illustration inside of a train with powerful front light and text explaining the safety benefits, used to Glasgow dated 31 October 1842; fine and most attractive. Photo" /> cover -- 1841 1d. plate 21, KI, margins all round, tied by black Maltese Cross and light but discernable strike of the blue framed "P <V>Y P/N<V>O 15" of Handsworth, on entire with beautiful pictorial printed illustration inside of a train with powerful front light and text explaining the safety benefits, used to Glasgow dated 31 October 1842; fine and most attractive. Photo | Christie's