This one was over my budget, but the price seems right for 1929 Dunhill of that shape:
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VINTAGE ESTATE SMOKING PIPE DUNHILL ''INNER TUBE'' LO9 | eBay
Model: LO9. The bowl manufactured from briar I think, carved wooden mouthpiece, Dunhill white spot. Stamped DUNHILL, LONDON, "INNER TUBE" with patent number.
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