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The razor design in general of the Swing brand, especially those that use the bakelite handles seems to be quite popular of that era.
I have a Benhur OC with a bakelite handle that looks quite similar to the Swing razors.
Here's another Swing. I don't believe it's been shown in this thread previously. I've seen it labeled, as a Swing "Senior". I saw a thread where it was stated that it was marketed by this model name in a store in Melbourne, Australia. This one came from Sweden, and isn't labeled as a Senior. It seems to have the same handle that efsk (Richard) noted on a Swing razor that was marketed for the Dutch market, noted earlier in this thread. It's a superb shaver.