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All makes Porsche 911

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Marmon
Model 78

Marmon Model 78 prices

1 auction sales; model years 1929.

Free collector-car sold-price history from Bring a Trailer, PCARMARKET and Cars & Bids auctions, organized by make, model, generation and variant. Data as of Nov 12, 2026. Backlist helps dealers buy cars from private sellers.