Great brass medallion on handle reads R.H. SMITH CO LTD ST CATHERINES PAT DEC 27 1887. That patent was for Charles Glover's saw screw design. Very unusual double 'nib' at the toe. Split nut. Straight clean blade with readable etch that will likely pop more with a light cleaning. Small chip under the top tip of the tote. A beautiful little saw...
**All edge tools may need to be sharpened/honed before use**