50 Pounds Colonial Bank of New Zealand

The Colonial Bank of New Zealand was a Dunedin-based institution that operated from 1874 until its absorption into the Bank of New Zealand in 1895, following a period of severe financial strain brought on by the collapse of land speculation in the late 1880s. Perkins, Bacon printed the plate — the same firm responsible for many colonial security documents across the British Empire, known for their siderographic transfer process that made plate duplication and forgery substantially harder than with lithographic alternatives.

A fifty-pound denomination in this period was not a retail instrument. It moved between businesses, squatters, and merchants. Surviving examples are exceptionally rare, partly because high-value notes were more likely to be cancelled and retained by the issuing branch than returned to general circulation.