Cristal d'Arques is a renowned French brand, part of the Arc International group, known for producing high-quality lead crystal glassware. Established in the mid-20th century, the brand quickly gained international recognition for its elegant designs and affordable luxury. Their pieces often feature intricate cutting and a brilliant sparkle, making them popular for both everyday use and special occasions.

The 'Longchamp' pattern, characterized by its diamond cuts and fluted neck, is a classic design that evokes a sense of vintage charm. This particular decanter, likely intended for cordials or liqueurs, showcases the brand's commitment to craftsmanship and aesthetic appeal. Such decanters were common in households during the latter half of the 20th century, serving as both functional barware and decorative pieces.