Original vintage Propper swing-top bottle stopper set in its retail display box, likely mid-20th century (circa 1950s–1960s). Designed to reseal crown-cap bottles for beer, soda, homebrew, or specialty beverages, these reusable stoppers feature metal wire bails, rubber sealing rings, and colourful plastic tops.
This example stands out because the original branded carton is intact — strong retro advertising graphics make it appealing for both barware use and vintage packaging collectors. The stoppers appear lightly used or unused overall, while the box shows expected age wear including edge crush, surface staining, and small tears.
Great crossover item: functional bar accessory, brewer collectible, or retro kitchen display piece.
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Brand: Propper. Item: Swing-top bottle stopper set
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Era: Mid-century (approx. 1950s–1960s)
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Materials: Metal wire, rubber seals, plastic caps
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Quantity: Approx. 20 stoppers in box
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Condition: Very good vintage contents; box worn but displayable
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Use: Homebrew, soda bottles, barware, retro décor
Country of Origin: Germany
U.S. buyers are responsible for import duties, tariffs.