Thank you for contacting Mearto. This is a group of ivory curios, probably of Chinese origin. *Please see below about verifying ivory authenticity, as it is sometimes mimicked with other materials. *Also, note that there may be laws in your country regulating ivory sales.

From their appearance, they look to be from the late Qing era (19th century). The Fair Market Value for a set of items like these varies, but generally is between $200 and $400.

Ivory tests to see if it is bone or resin instead:
https://www.realorrepro.com/article/Ivory-genuine-fake--confusing