Corkscrew French Perfect Brevete S.G.D.G. Extendable Concertina early 1900s

Corkscrew French Perfect Brevete S.G.D.G. Extendable Concertina

A beautifully engineered French folding corkscrew, marked “Perfect – Breveté S.G.D.G.” (indicating a patented design in France). Crafted from nickel-plated steel, this clever early-20th-century mechanism features articulated arms and a retractable helix that folds neatly into a compact form. Designed for travel and picnics, it’s both functional and collectible — a fine example of French ingenuity in barware design.

• Marking: Perfect – Breveté S.G.D.G.
• Origin: France, circa 1900–1930
• Material: Nickel-plated steel
• Mechanism: Folding arm with integrated T-handle and worm
• Condition: Excellent vintage condition with light patina