Dimensions:Mouth diameter 15cm(5.91in),Overall height 47cm(18.50in),10th?12th Century?Condition & Provenance:This monumental Liao?Ding?ware white?glazed vase is largely intact and retains its original glaze body,no major cracks or penetrating breaks.No modern fill?in restoration or over?glaze repainting.The lobed flower?form rim,slender tall neck,plump globular body and flared pedestal base are all preserved in original condition.Subtle age?related glaze scratches,faint tiny firing pin?pricks and scattered minor glaze flaking are visible,consistent with ancient usage and burial environment.The foot ring bottom bears natural earth encrustation and burial patina,kiln?manufacturing spiral turning marks remain clearly visible.No artificial chemical weathering or artificially applied patina,all kiln traces are authentic period production marks.This large?scale Liao?Ding?ware vessel originates from a well?established California private collection specializing in northern Song?Liao ceramics.It was acquired in the mid?1980s through a Los?Angeles?based Chinese antiquities specialist dealer and has remained within this single private collection ever since.Original purchase receipts,conservation assessment reports and vintage archival photographs are properly filed,cataloged under Liao northern white?glaze ceramic group.The complete collecting provenance is solid and fully traceable.Description:This imposing Liao?Ding?Ware white?glazed flower?mouthed long?neck vase is a representative masterpiece of northern Liao?Ding kiln ceramic art.The vessel features an elegant lobed flower?shaped flared mouth,a straight elongated neck,a full rounded globular body and a steady outward?flaring pedestal foot,covered overall with soft milky?ivory white glaze.The silhouette is tall and stately,reflecting the aesthetic integration of Central Plains porcelain craftsmanship and northern Liao nomadic cultural taste.Large?size complete Liao?Ding?ware display vases of this stature are uncommon in private hands.It delivers irreplaceable physical evidence for studying Liao?Ding kiln firing technology,porcelain?making exchange between Han and Khitan cultures,and Liao?dynasty high?grade daily?use and ceremonial ceramic traditions,possessing remarkable museum?level display grandeur,archaeological?historical significance and top?tier antique collectible merit.