Unusual Silver Verge Watch with Portrait Miniature

A Morin Marchinville unusual silver verge watch with portrait miniature on movement, gilt fullplate movement with unusual portrait miniature of a young lady on balance cock, with the inscription 'Le bel ouiseaux pour ma cage..'. Lower edge of balance cut out to show a mock pendulum attached to the balance wheel. Verge movement. Egyptian pillars. The silver dial with Roman chapter numerals and Arabic numerals for the minutes in an outer ring, steel beetle and poker hands. The single silver case with looking glass opening to show the portrait miniature. Early 18th century. Diameter: 48 mm. Provenance: Sotheby's, London, 18th December 1980, lot 42, the collection of Dr Trevor Hyde, Sydney, acquired from the above