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Author Topic: Ernst Plank 520 or 520/1 “Hercules”  (Read 483 times)

Nick

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Re: Ernst Plank 520 or 520/1 “Hercules”
« on: January 11, 2021, 09:35:48 pm »
Well... dang-it! My two are also 6.75”, so all I can tell you is that ours are the same... either a 520 or 520/1...
Nick