Image Missing: Hearst Museum object titled Tumbler, accession number 7-3268, described as tumbler; crystal w/sulphide cameo incrustation of Rousseau; signed: "P.B. 1798" floral copper wheel engraving w/gold paint; inscription "Au grand philosophe J.J. Rousseau"; H. 9 cm.; dia. 7 cm. *Boileau's widow presented his collection of works to the serves museum in 1845.