What is a Niagara falls naked lady bottle stopper worth?

A Niagara Falls naked lady bottle stopper typically doesn't hold much monetary value and usually falls within the range of a few dollars to around $20. The value can vary depending on factors such as age, condition, demand, and individual sellers. Since these stoppers were mass-produced in the form of souvenirs, they aren't usually considered rare or highly valuable items in the antiques or collectibles market.