This banknote belongs to the High Cap Series, Third Issue. While the majority of notes from this series are known to be modified or repaired, this specific example remains in its original, natural condition after nearly 90 years. The signatures present on the notes are found in Latin, Persian, or a combination of both. For a complete reference, please also view the Specimen of this note, along with the 20 and 50 Rials denominations from the same series.
