[Blackadder1916]

Originally Posted by Dan M

For what pattern of dress would that have been a collar badge for?

Perhaps full dress
http://data2.archives.ca/e/e432/e010782999-v8.jpg (click to enlarge)

or, patrol dress
https://servicepub.files.wordpress.c...6/dsc04750.jpg
https://centre-arch.ca/wp-content/ga...Depot-1955.png