Your pill might be:
BL 24
COLOR: BROWN
SHAPE: ROUND
FORM: TABLET
ACTIVE INGREDIENTS:
AMITRIPTYLINE HYDROCHLORIDE 50 MG
I think it's an old imprint. AMITRIPTYLINE is an antidepressant.
I'm not a pharmacist or a medical doctor. This message is not medical advice nor is it an offer to provide medical advice. All drug identifications should be validated by a licensed MD or pharmacist.