Evidence coverage: 1851–1852. This is the span of collected observations, not the currency’s lifetime.
This record includes associated currencies and earlier interpretations. The article selects the evidence relevant to its own history.
A documented account-unit or currency-system transition supports this predecessor identity; not admitted from a specimen or inherited label alone.
No distinct predecessor currency is established in the loaded view.
Dated observations, not a proven complete lifespan.
The 1851 Zurich law converted contracts labelled Reichswährung, including Schaffhausen, Thurgau and St. Gall currency, into federal francs through a separate statutory rate. The legislative act dates from 28 January 1851; implementation is scoped to the 1851–1852 federal reform.
StAZH OS8 pp228–231, §§1–5
Not a complete origin, lifespan or current-status audit.
Full 3-page archival transcription inspected