A. McMillan box manufactured by Sturdy of Canada
"This box is marked with a silhouette of a tree and then the word sterling. It is the mark for the company Sturdy which I believe is of Canada. Satin is marked A. McMillan. It took me forever to find the Sturdy company. I had several boxes with the "tree silhouette" but no company name to go with it. I saw a box on ebay which was marked "Sturdy, patent, tree silhouette". That's the only proof I have that the mark is Sturdy's. It pays to check all the boxes for sale on ebay. "
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