How do I clean old delft?

Dust surfaces gently with a dry, soft cloth to prevent accumulation. Avoid harsh chemical cleaners and submersing porous earthenware in water. Moisture can penetrate historic glaze crazing and damage the clay body over time. Professional conservation advice helps address stubborn surface dirt safely.

Are these pieces food safe?

Historic tin-glazed items are generally unsuited for modern culinary use. Historic glazes frequently contain lead that can leach into consumable contents. Display objects for decorative appreciation rather than daily dining. Enjoying them visually preserves the delicate glaze and pigment layers.

How do I date a delft piece?

Dating relies on stylistic markers, glaze characteristics, and potting techniques. Seventeenth-century items often show heavier earthenware bodies and specific floral or Kraak-influenced motifs. Later nineteenth-century pieces introduce different marks, brighter white glazes, and revived styles like Art Nouveau. Comparing comparative forms across known periods clarifies age.

Why are some pieces manganese?

Manganese oxide produced a distinct purple-brown colour palette instead of traditional cobalt blue. Workshops utilised this pigment to create detailed pictorial tiles and vessels. Manganese pieces offered a different aesthetic while utilising the same tin-glazed earthenware techniques. These items bring warmth and variation to blue-dominant collections.