used ½a. Die III, twenty-four examples in a variety of shades including greenish blue (4), and Die II (3), some with four margins, various cancellations; condition variable. Cat. £1,600

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used ½a. Die III, twenty-four examples in a variety of shades including greenish blue (4), and Die II (3), some with four margins, various cancellations; condition variable. Cat. £1,600