WW1 Canadian Military Forces 1917 silver sweetheart brooch

A scarce First World War period 'Canadian Military Forces silver sweetheart brooch', depicting a Crowned maple leaf with 'Canada' scroll below; the reverse bearing London silver hallmarks for 1917 and maker's details 'C&A'. Very good condition, retaining original pin fittings, minor surface scratches. Diameter 27mm. ALL BROOCHES ARE SUPPLIED WITH A BRAND NEW BLACK PLUSH LINED PRESENTATION BOX.