A Dutch Frisian maddered oak alarm 'kantoortje', second quarter 19th century

21.5-cm polychrome painted dial with Roman numerals, reverse marked JaB WA, brass hands and alarm disc, brass posted movement with anchor escapement, countwheel striking and alarm on a bell, stained oak case surmounted by a giltwood alas and two angels, break arch glazed door with pilasters, shaped tail with pressed brass urn lenticle