National Bank, Kingstown Branch (now Dun Laoghaire, County Dublin), Proof £5, undated, on unwatermarked paper, by Perkins Bacon and Co, London, Hibernia seated top centre with harp, Irish wolfhound and symbols of commerce and prosperity, turreted arms top left, FIVE in overprint at centre (cf P.A56), SPECIMEN overstamp low right, printer's annotation in pencil low left "1st March 1859", produced, as dated, 1st March 1859, extremely fine