Seychelles 1890-92 13c grey and black SG13

Seychelles 1890-92 13c grey and black, DIE II, overprint 'SPECIMEN' (type D12), LOWER MARGINAL WITH PLATE NUMBER '2', brilliant large part original gum. Very rare and desirable in this form.
From a special supply of 600 (mostly destroyed) to the Seychelles Government in Oct. 1893. This printing was not distributed by the Universal Postal Union (UPU). Specimen. SG 13

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