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Cassina “405 Duc” Three-Seater SofaDesign by Mario Bellini, 1970s
€6,200Bid from €5,600
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Jüchen, GermanyOn Whoppah since February 2025 • 11 sales
Product description
Cassina "405 Duc" Three-Seater Sofa
Design by Mario Bellini, 1970s
Original Upholstery · Very Good Condition · 233 cm
WASHABLE!
For sale is an original Cassina "405 Duc" three-seater sofa, designed in the 1970s by Mario Bellini – one of the most important Italian designers of the 20th century.
This model embodies Bellini's architectural design language in its purest form: powerful, framing side panels, confident horizontal lines, and a deliberately low silhouette. The sofa appears minimalist yet exceptionally present – a true statement piece.
Dimensions
Width: 233 cm
Depth: 80 cm
Height: 60 cm
The generous width gives the sofa an impressive presence while maintaining comfortable proportions.
Condition & Quality
Original Cassina production (label present)
Original cover – removable and washable
Very well-maintained condition
Upholstery firm, dimensionally stable, and exceptionally comfortable
No structural defects
Especially with 1970s sofas, firm, non-sagging upholstery is rare – this example impresses both visually and in terms of seating comfort.
Design Relevance
Mario Bellini significantly shaped Italian design from the 1960s to the 1980s. His work for Cassina is internationally sought after and stands for uncompromising quality and timeless modernity.
The "Duc" model is rarer on the market than many other Bellini designs and is ideally suited for:
Design collectors
Sophisticated interior design projects
Mid-Century / 1970s Modern concepts
High-quality, minimalist living spaces
An authentic piece of Italian design history with lasting value and clear investment potential.
Cassina “405 Duc” Three-Seater Sofa
Design by Mario Bellini, 1970s
Original Upholstery · Excellent Condition · 233 cm
WASHABLE!
An original 1970s “405 Duc” three-seater sofa by Cassina, designed by Mario Bellini.
This model is a striking example of Bellini's architectural design language: bold framed sides, strong horizontal presence, and a refined low-profile silhouette. Sculptural yet minimalist, it works as a statement piece in both modern and mid-century interiors.
Dimensions
Width: 233cm
Depth: 80cm
Height: 60cm
Condition
Original Cassina production (label present)
Original removable and washable upholstery
Excellent vintage condition
Firm, supportive and extremely comfortable seating
Structurally sound
Unlike many 1970s sofas, the padding remains firm and well-shaped, ensuring both comfort and long-term durability.
Why this piece?
Mario Bellini's designs for Cassina are internationally sought after.
The “Duc” model is rarer on the market compared to other Bellini designs and represents understated Italian modernism at its best.
An authentic piece of Italian design history with strong collector appeal.
SEO keywords
Mario Bellini sofa, Cassina 405 Duc, vintage Italian sofa, 1970s design sofa, mid century modern seating, collectible design furniture, original Cassina upholstery, Bellini three seater, Italian modernist sofa.
Hashtags
#MarioBellini #Cassina #405Duc #ItalianDesign #VintageSofa #MidCenturyModern #70sDesign #CollectibleDesign #DesignFurniture #InteriorStatement #ModernistFurniture
Cassina “405 Duc” Driezitsbank
Designed by Mario Bellini, age 70
Original clothing · Zeer goede Staat · 233 cm
WASBAAR!
An original “405 Duc” from Cassina, designed by Mario Bellini in the 70s.
This model is based on Bellini's architectural design: powerful panels, a strong horizontal line and a location, an elegant silhouette. Minimalist, very stylish in the room — a real design statement.
Afmetingen
Breedte: 233 cm
Diepte: 80 cm
Hoogte: 60 cm
Condition
Original Cassina productie (label aanwezig)
Original removable and washable clothing
Zeer goede vintage state
Strakke, comfortablee and vormvaste kissens
Constructief in suitable condition
In tegenstelling tot veel 70 banks is de vulling not stevig and never doorzakt.
What did you do?
Mario Bellini is responsible for the most important Italian designs from the 20th century.
The model “Duc” is less easily available on the market and has a strong verzamelwaarde.
An authentic piece of Italian design.
Mario Bellini bank, Cassina 405 Duc, vintage Italiaanse bank, jaren 70 design, mid century modern bench, design verzamelobject, original Cassina bekleding, Italiaanse design classic.
Hashtags
#MarioBellini #Cassina #DesignBank #ItaliaansDesign #VintageDesign #MidCentury #70sInterior #DesignKlassieker #Verzamelobject #InteriorDesign
Specifications
ConditionVery goodColorsCremeMaterialCotton, Textile, PolyesterNumber of items1BrandCassinaHeight60 cmWidth233 cmDepth80 cmSeat height52 cmSigns of usageStains
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Seller information
About this seller
Jüchen, GermanyOn Whoppah since February 2025 • 11 sales