Item #C6457
In sterling silver, marked "STERLING" and hallmarked with an axe on the reverse, insignia measuring 14.5 mm (w) x 19 mm (h), mounted to a 48.8 mm (w) x 4.5 mm (h) sterling silver tie clip with pinback, extremely fine.
Footnote: The Knights of Columbus was one of the many aid organizations that provided comforts to Canadian soldiers returning home at the end of the First World War.