Cockscomb Bottle, 11th - 12th century, Liao Dynasty (907-1125). Glazed earthenware, (27 × 16 × 13.3 cm. Gift of Charles H. Ludington from the George Crofts Collection, 1923, 1923-21-269. © 2023 Philadelphia Museum of Art.

Cockscomb Bottle, 10th or 11th century, Liao Dynasty (907-1125). Glazed earthenware, 27.2 x 16.7 cm. Gift of Charles H. Ludington from the George Crofts Collection, 1923, 1923-21-270. © 2023 Philadelphia Museum of Art.

Cockscomb Bottle, 11th - 12th century, Liao Dynasty (907-1125). Earthenware with yellow lead glaze, 23.7 x 12.5 cm. Gift of Charles H. Ludington from the George Crofts Collection, 1923, 1923-21-271. © 2023 Philadelphia Museum of Art.

Cockscomb Bottle, Liao Dynasty (907-1125). Glazed stoneware, 27 × 16 × 9 cm. Gift of Charles H. Ludington from the George Crofts Collection, 1923, 1923-21-584. © 2023 Philadelphia Museum of Art.

Pilgrim Bottle, 11th - 12th century, Liao Dynasty (907-1125). Glazed stoneware, 29.2 × 14 × 12.5 cm. Gift of Charles H. Ludington from the George Crofts Collection, 1923, 1923-21-585. © 2023 Philadelphia Museum of Art.