Saint-Omer's mint operated under comital authority from the late tenth century, and the extended attribution range covering two Baldwins — the Bearded and the Pious — reflects the genuine difficulty numismatists face pinning these deniers to a specific reign. The types overlap deliberately, continuity of design being a feature of monetary confidence rather than administrative laziness. Ilisch's work on the Niederrheinische Lande remains the most rigorous attempt to sequence the die groups, and his subtype numbering across issues 5.6 through 5.10 suggests meaningful production volume spread across decades.
Saint-Omer's mint operated under comital authority from the late tenth century, and the extended attribution range covering two Baldwins — the Bearded and the Pious — reflects the genuine difficulty numismatists face pinning these deniers to a specific reign. The types overlap deliberately, continuity of design being a feature of monetary confidence rather than administrative laziness. Ilisch's work on the Niederrheinische Lande remains the most rigorous attempt to sequence the die groups, and his subtype numbering across issues 5.6 through 5.10 suggests meaningful production volume spread across decades.