Lot 80008 – Australian States, Tasmania – 1892 £1, six components
Australian States, Tasmania – 1892 £1, six components for the manufacture of the bicoloured stamp, two very attractive glass clichés, black and vermilion, with image reversal, and one cliché on gray celluloid with production notes in Sperati`s hand, also three trial prints on paper on which Sperati experimented towards the correct colour of the yellow value tablet, including his characteristic fingerprint colour trial; a unique and visually spectacular group that displays the challenges that Sperati face with producing the bicoloured stamp.
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