I think there pure track ones, yes, the earlier type with a bit more rounded profile.Hilary Stone's selection should give you a clue http://www.hilarystone.com/CCrims.html
@jeff80 started
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I think there pure track ones, yes, the earlier type with a bit more rounded profile.Hilary Stone's selection should give you a clue http://www.hilarystone.com/CCrims.html