Need help identifying "Not to be taken" Brown glass bottle!

Nalaka

i have a brown bottle with words "NOT TO BE TAKEN" emboss to the glass. appreciate if you can provide more information about this. thank you.

Harry_Pristis

British poison bottle . . . a big collecting category, if you are a Brit.

Nalaka

Hi Harry, Thank you for the information. any idea on how much this bottle is worth?.