1 Cruzeiro 2nd Edition, 1st Type, Stamp B

The extended production run across three signature combinations reflects the ministerial turbulence of Brazil's economic management during the 1970s — Delfim Netto's departure from Finance to Planning in 1979 forced a signature change mid-series, and the subsequent Figueiredo-era reshuffles produced another. Three finance minister pairings across a single low-denomination note type is unusual even by Brazilian standards of the period.

Benedicto Ribeiro's engraving work for Casa da Moeda was a consistent thread across multiple Cruzeiro series. The B-prefix serial range ran well into the tens of thousands, suggesting high-volume production sustained across nearly a decade.