Brazil 1963 — Tesouro Nacional, Prefix Test Proof “Estampa 3ª Série 000a”
Printer’s serial and prefix trial sheet bearing three bold red impressions reading 'ESTAMPA 3ª SÉRIE 000a'. Produced as an undated archival test without denomination, vignette, or design. Such prefix tests allowed press operators to calibrate numbering wheels and ink density before full production of Tesouro Nacional banknotes. ... Read more →
BrazilPrefix Test Proof1963—PCGS 64 (Very Choice New) Prefix TestSerial TrialNDArchivalBrazil1963