We think it came from his dad who brought it back from over seas that had to be some time in the mid 19th century. Closely and see the design i have yet to find another one like it.
Have no idea if it works not gonna try to mess with it. This item is in the category "Antiques\Asian Antiques\China\Other Chinese Antiques". The seller is "phelle25" and is located in this country: US.This item can be shipped to United States.