Greetings,
Thank you very much for posting the photo of Albert Edgar Anderson. I came across him researching soldiers who sent letters into the Sydney Stock & Station Journal. They had a penpal network which was a branch of the League of the Empire. This explains their objectives.
The 'Stock Journal ' Branch of the League of the Empire arranges for correspondence between members here and members in any part of Great and Greater Britain. Members of the same and like tastes and attainments are connected. Members write to one another regularly and may exchange postcards, stamps, nature study specimens, etc. ANNUAL SUBSCRIPTION: Under 16 years, 6d ; over 16 1/.
Albert wrote under the name of "Lucerne".
Members of the League were encouraged to write letters to "leaguers" who were serving and this could explain how the photo got into your family.
His service records state that he was born in Dimboola, Victoria.
His marriage certificate is included in his service records.
It appears that he didn't enlist during the Coo-ee march. He enlisted at Dubbo 28th October, 1915 and the march went through Dubbo 13th October, 1915.
Best wishes,
Rowena