B.V. Delftsch Aardewerkfabriek "De Porceleyne Fles Anno 1653" (PORF.AS), operating as Royal Delft, manufactures and sells authentic Delft Blue decorative pottery and modern ceramic products; its core offerings include hand-painted tulip vases, tiles, plates, and polychrome items under the Royal Delft brand, alongside innovative Dutch design collections such as Pijnacker, Delft Black, and collaborations with brands like Mercis (Miffy), Moooi, Henk Schiffmacher, and I-DO; the company also provides bespoke and business gifts, custom tableware, and operates under the Royal Leerdam Crystal brand for crystal products acquired in 2008. Founded in 1653 and headquartered at Rotterdamseweg 196 in Delft, Netherlands, Royal Delft serves as the last remaining original Delft Blue factory from the 17th century, employing around 67 people primarily in the Netherlands while distributing worldwide through dealers, luxury interior shops, and museum outlets; it maintains a real estate portfolio and attracts over 142,000 annual visitors to its factory museum, showroom, and brasserie as a ceramics knowledge center. Recent developments include the October 2025 launch of The Mazzo Blue Collection with designer Arian Brekveld, following its Milan Design Week preview; ongoing Artists in Residence program with international street artists reinterpreting Delft Blue from November 2025; continued production of exclusive Delft Blue trophies for the Formula 1 Heineken Dutch Grand Prix in August 2025 via Studio Piet Boon collaboration; and participation in Milan Design Week in April 2025 showcasing the Iconic Collection with Workingbert wallpaper inspirations.