1 Dollar - Elizabeth II 4th Portrait - Kotahi Tara

New Zealand Post functions as a licensed issuer of legal tender collector coins under authority delegated from the Reserve Bank of New Zealand — a commercial arrangement that has drawn periodic criticism for blurring the line between philatelic merchandise and genuine monetary issue. The "Kotahi Tara" designation is simply the Māori-language rendering of "one dollar," used here to signal bicultural framing rather than any distinct monetary function.

KM#392 saw minimal secondary-market traction on release, largely because the series it belongs to was produced in quantity sufficient to suppress numismatic premium almost immediately.