Description:
THE WATERMARK MASTER PLATE: The master plate of twelve Crown/A watermark "bits" from which the dandy roll was developed, instrument number '1787' impressed vertically at upper-left, some very minor corrosion. The watermark bits were constructed from fine wire that was affixed to the surface of the 2mm-thick metal backing plate (86x74mm). A remarkable survivor and another highly desirable & unique artefact. [Manufactured by the English firm Edwin Amies & Son Ltd]
Symbol : ?
Grade : a-
Categories: Stamps & Postal History > COMMONWEALTH OF AUSTRALIA > KGV Essays & Proofs