Description and research notes
Follow-on circulation note with the added Arabic inscription along the lower border, aligning the issue with the finalized Central Bank legal formula. The portrait die and guilloche structure remain unchanged; the inscription arrives as a typographic layer in the underprint, leaving the intaglio relief untouched.
Collecting P-37a and P-37b as a pair shows how a single line of text can mark a policy pivot without disturbing the security architecture. Under raking light, you can read the unchanged intaglio bite on the portrait while the new legend sits matte in the design field—a small production clue to a larger institutional consolidation.