Jay, the inks for the banknotes were mixed in small batches resulting in numerous shades. Scott lists ultramarine, pale ultramarine and dark ultramarine for the 145. Luff has a larger list of colors; ultramarine, pale ultramarine, dark ultramarine, bright ultramarine, gray-blue, dull blue and chalky blue.
T don't see any sign of the secret mark so they are probably both 145 with different shades.
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Posted 11/06/2011 11:15 am
