Austria 1806 - Wiener Stadt Banco 10 Gulden Issued Note (Pick A39a)
Security relied on material and procedural features rather than pictorial engraving. A prominent watermark displaying the value in both Arabic and Roman numerals, multiple blind embossed seals, and hand-applied serial numbers and signatures formed the core anti-counterfeiting measures. These elements illustrate an advanced, yet still pre-industrial, approach to security printing at the beginning of the nineteenth century. Read more →