Auntie Bertha

(716) 969-3587

The Yellow House Estate Sale

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Regular clear mason jars (Ball, Kerr, Golden Harvest, etc.)

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Regular clear mason jars (Ball, Kerr, Golden Harvest, etc.)

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This vintage prop-driven tether car is a fascinating example of early miniature motorsport technology, dating from the 1930s to the 1950s, before internal-combustion model engines became the dominant form of tether racing. Unlike later tether cars powered by enclosed miniature engines, this example features a small exposed metal engine with a front-mounted propeller and a wire bridle used to attach the car to a central racing post. Once started, the propeller generated thrust, sending the car racing in circles at impressive speeds. This is not a slot car, a control-line model, or a static display piece. It is a genuine mechanical racing machine that represents an important transitional era in model engineering and hobby racing. Its appeal lies in its combination of industrial design, early engineering ingenuity, and rarity. Original paint, decals, engine components, tether hardware, and overall completeness significantly influence collector value.

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