French Enamel Advertising Sign — “Super Blanc Demarle Lonquety” (c.1930–1950)
Convex Round Sign, 40 cm Diameter
A rare French convex enamel advertising sign for Super Blanc Demarle Lonquety, produced mid-20th century by the Société des Établissements Français. Featuring a bold blue ground with a striking white starburst and black block typography, this piece once promoted “Super Blanc” Portland cement across France.
These smaller convex formats (40 cm) were often displayed on builders’ merchants’ walls and are now highly collectible. Its strong graphic form and authentic patina make it an ideal decorative accent for industrial, mid-century, or eclectic interiors. Imported into the UK, this example is harder to source locally and carries extra rarity value.
Details
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Material: Enamel on pressed steel
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Diameter: 40 cm (convex form)
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Colours: Blue ground, white starburst, black typography
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Maker: Société des Établissements Français, attributed to Emaillerie Alsacienne Strasbourg (E.A.S.)
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Date: c.1930–1950
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Origin: France
Condition
Timeworn with authentic patina. Areas of enamel loss and rusting, particularly at the edges and over the lettering “DEMARLE.” Surface wear consistent with outdoor display. Structurally solid with convex form intact. Reverse shows typical oxidation of age.
Provenance
Sourced in France and imported into the UK — these signs rarely appear on the British market in this size and design.
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