A rare Chinese biscuit carved Robin's egg Cong-Form vase, Qing Dynasty (1644-1912), 19th/Early 20th century, the flattened rectangular archaistic shaped porcelain vase relief decorated to each side with very finely carved and appliqued designs of birds amongst flowers, the relief decorations surrounded by a fine robin's egg enamel glaze, the interior of the mouth and base decorated with turquoise enamel., 30.5 cm high, 21 cm wide. Provenance: Purchased in new Hampshire, United States, late 1990s. Literature: for closely related examples of the type and quality of decoration, and similar unglazed relief white against a robin's egg and other Qing monochrome glazes, please see catalogue numbers 49, 124 and 125, on pages 173, 274 and 275, Elegance in relief: carved porcelain from Jingdezhen of the 19th and 20th centuries, Tony Miller and Humphrey Hui, the Chinese University of Hong Kong, 2006.