Proof  -- MK-ML pair, imperforate on Dr. Perkin's blued paper, from right of the sheet with part selvedge and inscription, large part original gum; light gum wrinkling and very faint trace of oxidisation at top but not detracting from the wonderful appearance. S.G. Spec. G6g. Photo
Proof -- MK-ML pair, imperforate on Dr. Perkin's blued paper, from right of the sheet with part selvedge and inscription, large part original gum; light gum wrinkling and very faint trace of oxidisation at top but not detracting from the wonderful appearance. S.G. Spec. G6g. Photo

Details
Proof -- MK-ML pair, imperforate on Dr. Perkin's blued paper, from right of the sheet with part selvedge and inscription, large part original gum; light gum wrinkling and very faint trace of oxidisation at top but not detracting from the wonderful appearance. S.G. Spec. G6g. Photo