Luxembourg 1966 - 20 Francs Issued Note (Pick 54a)
The obverse features Grand Duke Jean in formal military attire, engraved in deep intaglio with controlled line density and consistent ink distribution. The portrait is anchored within a structured guilloche framework that balances ornamental complexity with mechanical clarity, ensuring reliable machine processing while preserving a distinctly national visual identity. Subtle color layering and a clearly defined watermark field further reinforce both security and compositional symmetry. Read more →