the GNU version of the Collaborative International Dictionary of English
n. A former French money of account worth 20 sous, or a franc. It was thus called in distinction from the Paris livre, which contained 25 sous.
The Century Dictionary and Cyclopedia
Of Tours: an epithet used only in livre tournois, an old French money of account, worth 20 sous, or about 9½ d. sterling, or 19 United States cents—the value of the livre parisis being 25 sous.
Word Usage
"Gardener Martin Beguin was paid 90 livres tournois for the same two-year period, and laborers Clément Morel and Guillaume Morel got 75 livres tournois."