These miniature bottles are late 20th century (as in 1960s-80s) decorative items based loosely on original 19th century bitters bottles. most were made by Wheaton Glass in New Jersey.
If you search around this site for Wheaton Glass or Taiwan (where some were made), you will find a lot of discussions:
https://forum.antiquebottles-glass.com/search?Search=wheaton
https://forum.antiquebottles-glass.com/search?Search=taiwan