Thanks and I concur that's exactly what this looks like. I guess the top just came off at some point. Thanks for the clarification. It's a great little brush and if I could find an appropriate tube for it would make it my travel brush.
Just picked up this model 55 today. gonna restore it with a TGN or whipped dog knot. (i actually pulled the knot out already and now just need to figure out how to clean/polish the aluminum and refinish the black base). Looked through all 12 pages of this thread and I think this is the only 55 on the thread.
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The uncoloured boar hairs match the cream coloured ring very nicely, and the slightly higher loft also gives the brush a more lean and clean look - if you get my thoughts
Boar wins! Did a test lather this morning and it made short work out of some Stirling Rose:
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