FRANCE, BLOC ATHERMANE KNAPEN 1929 100 FRANCS, Share Certificate, Rare (Size approx. 30x19cm excluding coupons). 2N.8

The Bloc Athermane was a patented construction block developed by Belgian engineer Achille Knapen (1860–1941), a pioneer in building hygiene and moisture control. The block was designed with internal air channels (sometimes referred to as "chromatic voids")

🏢 The Company: Compagnie Française du Bloc Athermane Knapen

    Founded in the 1920s in Paris, the company aimed to commercialize and distribute Knapen's construction innovation in France and potentially abroad.

    The company operated as a Société Anonyme (S.A.), the French equivalent of a corporation.

    It issued shares in 1929, like the one you have — 100 francs bearer shares ("action au porteur").

📜 The Share Certificate (1929)

    Date: December 23, 1929

    Value: 100 francs (Series A)

    Certificate No.: 003946

    Capital: 1.5 million francs (15,000 shares of 100 francs)

    Fully paid share

    Official registration published in the Journal Officiel on January 5, 1930

Rare Collectible Share Certificates
Historic. Authentic. One-of-a-kind pieces perfect for man caves, offices, or standout gifts. Frame a slice of the past!

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