NAURU 1916-23 4d slate-green variety, SG8b225. 00 Nauru 1916 23 4d slate green, overprint double, one albino, left marginal example. The albino impression 1 mm below and to left of the inked overprint, and detectable from face, SG8b. A fine mint positional example with original gum. A rare printing variety as only one upper pane existed, from 'J17' printing. Stanley Gibbons catalogue value: 225. Nauru was occupied by Australian forces following the outbreak of World War I. During this time,