Argentina 1867 - Banco de Londres y Rio de la Plata 4 Reales Plata Boliviana Proof (Pick S1734p)
Produced in classic 19th-century proof format, the note displays wide margins, crisp engraving lines, and lacks signatures or serial numbers, confirming its archival status rather than an issued example. Such proofs were retained by the printer or provided to the client bank for approval before mass production. The craftsmanship demonstrates the influence of the American Bank Note Company’s New York studio, which was instrumental in introducing advanced intaglio printing and anti-counterfeiting design to South America. Read more →