Antique Yale Door Mortise Lockset Part Dead Bolt 1888

An antique bead bolt lock set mechanism by Yale. Stamped 1888 inside.

Size aprx. 3" x 5" x 1"... weight 1.75 lbs.

Unrestored condition with original patina, grime and white paint remains... I believe working, but no key... no strike plate or other parts.