1860 MAIL EXETER TO LONDON 1d (SG40)(MK). Wrapper Exeter to 'NATIONAL MERCANTILE LIFE ASSURANCE SOCIETY, Poultry, Mansion House, LONDON.' with Die 2 1d rose-red on white paper (SG40) lettered MK, filing fold affects tied fine strike 'EXETER/285' duplex DE 3 60. On reverse good strike 'St Thomas EXETER date stamp in blue DE 3 1860.' (Ref 144688).
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