Specimen  -- 6c. lilac with central "SPECIMEN" type HK3, trimmed perforations at right, affixed to piece of card from the De la Rue daybook. Photo
Specimen -- 6c. lilac with central "SPECIMEN" type HK3, trimmed perforations at right, affixed to piece of card from the De la Rue daybook. Photo

Details
Specimen -- 6c. lilac with central "SPECIMEN" type HK3, trimmed perforations at right, affixed to piece of card from the De la Rue daybook. Photo