Can someone verify this is recent Samuelsohn. I can't think of any other Canadian maker that produces fully canvassed pieces this nice. Maus & Hoffman. 100% silk. No size, but this thing is BIG. Haven't measured it yet, but it's at least a 50-54L US. Available
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It's made by Coppley, not Samuelsohn. If the article of clothing has a CA number (CA 00750 on yours), you can find the maker using the search tool on the Canadian Competition Bureau website here. The FTC maintains a similar database that you can search here for RN or WPL numbers.