1916, £1 Ultramarine & Brown (56, Gibbons 44), pale ultramarine shade, used, well-centered, fine-very fine, Scott retail $600.00, Gibbons £700 photo

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1916, £1 Ultramarine & Brown (56, Gibbons 44), pale ultramarine shade, used, well-centered, fine-very fine, Scott retail $600.00, Gibbons £700 photo