A white and black marble portico HANGER with gilt bronze ornamentation, decorated with scrolls, interlacing foliage, friezes of pearls and floral garlands, surmounted by an eagle with outstretched wings, the enamelled dial signed Piolaine in Paris. Late 18th century Height: 51.5 cm Width: 37 cm Michel François Piolaine, master watchmaker in Paris in 1787