So what makes a top piece of redware? For today’s column, I only selected plates for comparison. “Condition, size, age, technique, maker (if known) and uniqueness of the decoration bring the highest prices,” confirms Anne Gilbert, from the site Antique Detective. It appears that the collecting attributes of rarity and quality still hold true.

Pennsylvania redware pie plate, 19th c., attributed to Diehl Pottery with yellow, green, and brown stylized tree decoration, 7 7/8" dia.
Realized Price: $20,145.

Bucks County, Pennsylvania sgraffito redware charger, ca. 1810, attributed to Conrad Mumbauer, with a tulip and pinwheel decoration, 11 3/4" dia.
Realized Price: $11,258

Bucks County, Pennsylvania sgraffito redware charger, ca. 1810, with tulip and pinwheel flower decoration, 12 3/4" dia.
Realized Price: $22,515

Pennsylvania redware pie plate, 19th c., with vibrant green and yellow combed slip decoration, 6 1/2" dia.
Realized Price: $21,330

Pennsylvania redware tart plate, 19th c., with yellow and green wavy slip lines crossed into a grid pattern with manganese dots in the centers, 4 1/2" dia.
Realized Price: $18,960

Bucks County, Pennsylvania sgraffito redware charger, ca. 1805, attributed to the pottery of Jacob Funck, Haycock Township, with green tulip decoration on a yellow slip ground, 12 3/8" dia.
Realized Price: $3,555

Pennsylvania redware tart plate, 19th c., with yellow, green, and manganese slip clover decoration, signed Andrew Hedman 1852, 3 3/4" dia., together with the account book of Andrew's son Michael Headman, also a potter. Realized Price: $18,960

Connecticut redware charger, 19th c., with yellow and green slip decoration, 13 3/4" dia. Illustrated in Harold F. Guilland, Early American Folk Pottery, pg. 143.
Realized Price: $2,015

Pennsylvania redware pie plate, 19th c., attributed to Diehl pottery, with green and brown slip decoration, 6 3/4" dia.
Realized Price: $1,126

Pennsylvania redware tart plate, 19th c., with yellow, green, and manganese slip decoration of wavy lines and stars, 4 5/8" dia.
Realized Price: $6,518

Redware pie plate, 19th c., with yellow slip fern decoration, 9 3/4" dia.
Realized Price: $1,422

Pennsylvania redware pie plate, 19th c., with yellow slip decoration, 9" dia.
Realized Price: $444

Pennsylvania redware pie plate, 19th c., attributed to Diehl pottery, with yellow, green, and brown slip tulip decoration, 7 3/4" dia.
Realized Price: $17,775

Pennsylvania redware pie plate, 19th c., with yellow slip decoration, 9" dia.
Realized Price: $770

Redware pie plate, 19th c., with combed yellow slip and green splash decoration, 10" dia.
Realized Price: $1,422

Jacob Medinger (Montgomery County, Pennsylvania 1856-1932), sgraffito redware shallow dish with a spread winged eagle decoration, 7 3/4" dia.
Realized Price: $948

Pennsylvania redware pie plate, 19th c., with brown and yellow slip decoration, 9" dia.
Realized Price: $474

Pennsylvania redware pie plate, 19th c., with yellow slip squiggle line decoration, 9" dia.
Realized Price: $395

Pennsylvania redware pie plate, 19th c., with yellow slip star and fern sprigs, 9 3/4" dia.
Realized Price: $504

Pennsylvania redware pie plate, 19th c., with concentric circle slip decoration, 9 1/4" dia.
Realized Price: $563

Redware shallow bowl, dated 1819, with green and red slip decoration, 10 1/4" dia.
Realized Price: $652

Early English slip decorated redware shallow bowl, ca. 1800, 8" dia.
Realized Price: $5,451

New England redware plate, 19th c., with yellow slip loop design, 9 7/8" dia.
Realized Price: $770

Stahl pottery sgraffito and slip decorated redware plate, dated 1936, 10" dia.
Realized Price: $770

New England slip decorated plate, 19th c., with trailing slip initials, 10 1/4" dia.
Provenance: Harry Hartman.
Realized Price: $593