Definition of "bauble"

[…] as to the bauble on which the chief proof rests, if she had earnestly desired it, I should have willingly given it to her, so much do I esteem and value her.

1818, [Mary Shelley], chapter 8, in Frankenstein; or, The Modern Prometheus. […], volumes (please specify |volume=I to III), London: […] [Macdonald and Son] for Lackington, Hughes, Harding, Mavor, & Jones

Have none before or after him staked all their treasure of life, as a savage does his land and possessions against a draught of the fair-skins’ fire-water, or a couple of bauble eyes?

1848 November – 1850 December, William Makepeace Thackeray, chapter 6, in The History of Pendennis. […], volumes (please specify |volume=I or II), London: Bradbury and Evans, […], published 1849–1850

Many a young maid lost her baubles to my trade.

1977, Jimmy Webb (lyrics and music), “Highwayman”

His hind quarters were likewise short, and not racinglike, and taken as a specimen of the horse, he was a mere bauble when looked at by the side of an English race-horse, much less a hunter.

1841, The New Monthly Magazine and Humorist, page 186