Kirmanshahan — modern Kermanshah — sat directly on the main caravan and military road linking Baghdad to Tehran, making its mint output unusually practical currency rather than ceremonial issue. Fath Ali Shah operated well over a dozen provincial mints simultaneously, a deliberate policy of decentralization that kept coin supply tethered to regional economies rather than a single capital. The type designation "D" within this series reflects a specific obverse die arrangement catalogued by Album, distinguishable from contemporaneous Kirmanshahan strikes only by specialists working with the legend spacing.
Kirmanshahan — modern Kermanshah — sat directly on the main caravan and military road linking Baghdad to Tehran, making its mint output unusually practical currency rather than ceremonial issue. Fath Ali Shah operated well over a dozen provincial mints simultaneously, a deliberate policy of decentralization that kept coin supply tethered to regional economies rather than a single capital. The type designation "D" within this series reflects a specific obverse die arrangement catalogued by Album, distinguishable from contemporaneous Kirmanshahan strikes only by specialists working with the legend spacing.