50 Roubles

The Expedition of Procurement of State Papers (EZGBs) was the Russian Empire's in-house security printing bureau, established in 1818 — the same year this series began. Centralizing note production there was a deliberate break from earlier reliance on foreign printers, particularly after the Napoleonic Wars exposed the risks of outsourcing monetary paper to potentially hostile nations.

The 25-year issuance window reflects not a single print run but successive batches, distinguished primarily by the handwritten signatures of rotating treasury officials — the only meaningful variable across the series. Authentication of those signatures remains the main forensic challenge with these notes.