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Ceramics and tiles · buyer's guide

Under review

How to buy Slip-painted ceramics

سفال نقاشی‌شده با گلابه

Earthenware decorated with coloured slips under a clear or tinted glaze, including early Islamic Nishapur-type wares and later village production such as Lalejin.

What documented Slip-painted ceramics looks like

Bowl · 900s · Iran, Nishapur, Samanid Period, 10th Century
Bowl · 900s · Iran, Nishapur, Samanid Period, 10th CenturyCleveland Museum of Art, 1956.225 · CC0 (Cleveland Museum open access) · Source ↗
Bowl · 1000s-1100s · Iran, Amul, 11th-12th century
Bowl · 1000s-1100s · Iran, Amul, 11th-12th centuryCleveland Museum of Art, 1953.373 · CC0 (Cleveland Museum open access) · Source ↗

Reference photographs of documented Slip-painted ceramics pieces, credited to their sources. Compare construction, surface and wear with any piece you are offered — a resemblance is not proof of origin.

Slip-painted ceramics at a glance

Persian nameسفال نقاشی‌شده با گلابه
CategoryCeramics · Slip decoration
Main techniquespottery-wheel
Typical materialsclay
Places of makinghamadan
Current vitalityLiving tradition

Understanding Slip-painted ceramics

What Slip-painted ceramics is and how it is made

History

Slip-painted wares with inscriptions and birds are associated with 9th–10th-century Khorasan; modern Lalejin continues slip-and-glaze pottery on a village scale.

Technique

Liquid clay slips in contrasting colours are brushed, trailed or carved through before glazing and firing.

Collecting and identification

Body colour, glaze crazing and restoration are key; many early wares are heavily reconstructed from fragments.

This guidance is educational only and is not an authentication or valuation service.

General background on the craft, not a statement about any individual object; dates and attributions summarise common positions in the literature and remain under review. Read the full Slip-painted ceramics entry.

Before you buy: what to inspect

  • Look at the unglazed foot ring — it shows the body clay (red earthenware or white stonepaste).
  • Hand-painted decoration has slight variation in line weight and colour; transfers look perfectly even.
  • Tap gently: a dull sound may indicate a hidden crack or old repair.
  • Examine the glaze under raking light for crazing, chips and retouching.

Typical materials: clay.

Red flags: copies and 'Persian style' imports

  • Decal or transfer printing sold as hand-painted.
  • Artificial ageing (dirt rubbed into new pieces sold as antique).
  • Antique claims with no provenance.

A genuine Slip-painted ceramics piece should come with a named place of making in Iran (often hamadan) and a clear statement that it is handmade.

Questions to ask the seller

  • Is the decoration hand-painted?
  • Is the glaze food-safe (lead-free)?
  • Has the piece been restored?

What affects the price

Hand-painting and detail
Size
Workshop or maker
Age and provenance
Condition

Care and cleaning

  • Treat decorative and older pieces as display-only unless the maker confirms food safety.
  • Wash by hand in lukewarm water with mild soap; avoid dishwashers.
  • Avoid sudden temperature changes, which cause cracking.

Storage

  • Store with soft padding between pieces.
  • Keep away from shelf edges and vibration.

Shipping

Ask for double-boxing with padding; fragile pieces are best insured.

Disclaimer

This guide is educational. It cannot confirm that any particular object is genuine, old or valuable. For important purchases, ask an independent specialist. Read the full Slip-painted ceramics entry.