Pocket watch: rare Louis Audemars pocket chronometer 1st quality 'Superieur' with extract from the archives, 1883

Ca. Ø54mm, ca. 159g, 18K pink gold à goutte case, case and movement with matching number 12951, glazed movement, signed chronometer movement in the best quality 'Superieur' made by Louis Audemars, helical hairspring, lever escapement, screwed gold chatons, special crown winding, Geneva stripes, signed perfectly preserved original enamel dial, blued hands, in working order, in excellent condition. The extract from the archives confirms the extremely rare chronometer quality. These 'Superieur' qualities are extremely rarely offered at auction. Another of these rarities was auctioned in 2015 and sold for ca. 10,000US$.