What is this pill - with 052 on one side and 25 on the other?

Pill imprint 25 052 has been identified as Diphenhydramine Hydrochloride 25 mg, which is a generic version of Benadryl.
https://www.drugs.com/imprints/25-052-20571.html

I have been unable to find any information about your pill. Is it possible your pill is foreign, a natural product or dietary supplement? Is there any more detail you can add? or have you been able to find an answer to your question elsewhere? Let me know.