4087 - Watch keys: an exceptional collection of very fine verge watch keys, ca. 1700?1820: 37 pieces, predominantly rarities, including many gold keys, as well as large, very rare examples; also an extremely rare golden crank key, a key with a citrine pommel and turquoise inlay, 1 key with a built-in magnifying glass, a pistol-shaped key set with carnelian, a gold lyre-shaped key with a secret compartment/poison compartment, and an extremely rare.