North Borneo 1918-30 10c black and turquoise-blue Postage Due, SGD63a

North Borneo 1918-30 10c black and turquoise-blue "Wild Boar" Postage Due, type D2 local overprint, perforations 14½-15, SGD63a.

A very fine block of 4, fresh and unmounted mint with full original gum. Stunning quality!

An extremely scarce multiple in this condition.

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