Paper replaced parchment as the dominant document substrate in Italian archives over the course of the 14th century. The replacement was gradual: parchment retained its place for the most solemn instruments — papal bulls, royal charters, foundation documents — well into the 15th century, while paper entered first for commercial correspondence, notarial protocols, and the working copies that chancelleries kept alongside their parchment originals. Fabriano was the dominant supplier of Italian paper for much of this transition period.

The Papal Connection

The Avignon papacy (1309–1377) was one of the most administratively intensive courts in 14th-century Europe. The sheer volume of correspondence — benefice grants, fiscal demands, appeals, responses to ecclesiastical disputes — required a reliable and affordable writing material in large quantities. The Vatican Apostolic Archive holds surviving registers from this period in which Fabriano watermarks appear with consistency that suggests preferred-supplier status rather than opportunistic purchase.

The proximity of Fabriano to the via Flaminia — the principal road connecting the Marche coast to Rome — made the town a natural supplier to the Roman curia once it returned from Avignon. Papal purchasing records from the late 14th and early 15th centuries, partially preserved in the Vatican registers, mention paper acquired at Fabriano and transported south in bales on mule trains.

Venice and the Commercial Archive

Venice maintained one of the most systematic commercial archives in medieval Europe. The surviving series of the Archivio di Stato di Venezia include registers of the Grain Office, the Salt Office, and the commercial court that stretch from the mid-13th century onward in near-continuous sequence. Watermark analysis of these registers, undertaken partly through the Bernstein Memory of Paper project, identified Fabriano marks in Venetian commercial documents from the 1290s — a date consistent with independent evidence of Venetian trade with the Marche coast.

Venice also maintained close commercial relations with the German-speaking markets north of the Alps, and Fabriano paper reached German archives through Venetian intermediaries. The Staatsarchiv Wien holds 14th-century documents bearing marks traceable to Fabriano mills, indicating that the paper's geographic distribution extended well beyond the Italian peninsula within a century of its first documented production.

Display of historical paper samples at the Museo della Carta e della Filigrana
Historical paper samples on display at the Museo della Carta e della Filigrana, Fabriano. The museum holds one of the most complete collections of dated sheets available for comparison studies. Image: Wikimedia Commons, CC-BY-SA.

Florence and the Notarial Record

Florence's notarial archives — the Notarile Antecosimiano series in the Archivio di Stato di Firenze — are among the most extensively studied document collections in medieval European history. The series includes protocols, instruments, and cartularies from hundreds of practising Florentine notaries from the 12th century onward, providing a near-continuous paper-use record for a single city across several centuries.

Fabriano marks appear in this series from at least the 1280s. The diversity of marks — different motifs appearing within single notarial protocols — suggests that Fabriano paper was sold through Florentine paper dealers who held stock from multiple mills rather than through exclusive commercial relationships with individual producers. The emergence of a Florentine retail paper trade, documented through guild records of the Arte dei Medici e Speziali (which regulated the paper trade among other commodities), created a commercial infrastructure that distributed Fabriano's output across Tuscan notarial practice.

Identifying Fabriano Stock: Practical Criteria

For archivists and document historians working with unattributed Italian paper, several physical characteristics suggest Fabriano origin, though none is individually conclusive:

Degradation Patterns and Conservation

Well-preserved Fabriano sheets from the 14th and 15th centuries typically show less foxing and acidic degradation than contemporaneous unsized papers from other sources. The animal-glue sizing that distinguished Fabriano production also acted as a mild buffer against the iron-gall ink oxidation that attacks cellulose. Where the ink itself has caused holes — a common failure mode in heavily inked legal documents — the surrounding paper often remains mechanically sound, allowing conservation treatment to consolidate the sheet without the support losses that characterise acidic stock.

Conservation assessments published by the Istituto Centrale per il Restauro e la Conservazione del Patrimonio Archivistico e Librario (ICRCPAL) in Rome have highlighted Fabriano-origin stock as among the most stable material in Italian state archive collections — a conclusion consistent with the chemical properties of pure cotton cellulose and thorough sizing documented in mill practice.

Consulting the Archives

Researchers requiring physical access to Fabriano-origin documents can consult the following institutions, all of which hold relevant material and provide scholar access on appointment:

Last updated: May 2026. Sources: Ornato, La face cachée du livre médiéval (1997); Briquet, Les filigranes (1907); ICRCPAL conservation assessment series; Bernstein Memory of Paper.