Watch Painted with a Pastoral Scene; ca. 1755-1768.Outer case of painted enamel on gold. Inner case of gold with an unidentifiedMaker's mark consisting of the letters ic over b below aCoronet (incuse) on the interior and an eagle's head; a FrenchGuarantee mark for gold in use between 1 January 1847 and1 July 1919 on the pendant. Dial of gold and white enamelWith black numerals; silver hands set with diamond chips.Movement of gilt brass and steel. Movement signed (on theBack plate): Tomson / london..Inv. Nr. 1975.1.1245New York; Metropolitan Museum of Art.