![Specimen -- 10c. on 30c. grey-green (third printing [4]) handstamped "SPECIMEN" type HK4 reading downwards, fine appearance, large part original gum. Photo](https://www.christies.com/img/LotImages/2000/SPH/2000_SPH_01263_1294_000(020252).jpg?w=1)
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Specimen -- 10c. on 30c. grey-green (third printing [4]) handstamped "SPECIMEN" type HK4 reading downwards, fine appearance, large part original gum. Photo