NAURU 1916-23 1d carmine-red variety, SG2cbNauru 1916 23 1d carmine red, type 1 overprint, lower right corner example (R10 12 with 'bevilled top to N' diagnostic flaw) from 'N19' printing, DOUBLE OVERPRINT ONE ALBINO (the albino impression 1 mm to right and 1 mm above the inked overprint), SG2cb. A fine unmounted mint positional example with full original gum. Minor gum wrinkles, which are inconsequential as it is a unique and splendid positional example. Provenance: Ex Buckingham (Grosvenor