Pocket glossary

Foot ring

The trimmed or thrown base edge where the vessel met the kiln shelf—often the least retouched zone on an object, and therefore a stubborn witness to potting habits.

Auction photography loves the painted rim. Archaeologists and conservators often begin at the opposite pole: the foot records knife cuts, chatter from trimming tools, wad marks, kiln grit, and oxidation gradients that never met the buyer’s living room. When a reign mark claims one century but the foot ring’s clay color and tooling match another, we do not resolve the argument with adjectives—we return to typology, residue, and documented provenance.

Wads—little clay donuts or refractory buttons—sometimes leave three tidy scars or a ghost ring where the glaze refused to wet the contact patch. Those marks are not “damage”; they are kiln autobiography. If a seller’s images crop the base entirely, ask for a straight-on macro and a raking-light shot before you translate romance into a bid.

Wad scars, grit, and the kiln’s fingerprint

Kiln grit embedded in the foot does not always match the body temper visible in a fresh break; both facts can be true when recycled shelf wash or tracked-in ash joined the party mid-fire. Comparing grit color to published kiln-dump assemblages is slower than reading a catalog paragraph, which is exactly why it works.

Typology meets the shelf

Named silhouettes—see typology—still have to land somewhere. A meiping’s shallow foot behaves differently under lamp light than a krater’s ring; export jars sometimes sacrificed elegance for stacking stability. Comparing feet across a wreck assemblage reveals workshop batching faster than comparing shoulders alone.

East Asian lessons in humility

Our East & Southeast Asian kilns corridor repeats one refrain: read the unglazed foot before you narrate the glaze. The Longquan celadon essay names crackle and iron chemistry, but dating arguments still lean on paste, foot oxidation, and the honesty of carved depth—signals that survive mediocre photography if dealers allow it.

Reduction memory can differ between foot and shoulder when late oxidation was staged deliberately; a uniformly “perfect” foot on a supposedly ancient vase can be as suspicious as a uniformly wrecked one. Context is everything.