A JASPER AGATE SEAL, QING DYNASTY China, 19th century. The opaque stone is of intense amber color and bears a bloodstone layer which was used by the lapidary to depict a pair of beetles, clambering along a bamboo stem with its leaves and vines. Provenance: From the personal collection of Anthony du Boulay. Anthony du Boulay served at Christie's from 1949 to 1980, for many years as the Director of the Ceramics Department and for 13 years as the President of Christie's, Geneva. From 1981, he served as Honorary Adviser on Ceramics to the National Trust, United Kingdom, on council of the Oriental Ceramic Society and as the Chairman of the French Porcelain Society. Condition: Minuscule loss to the openwork antenna of one beetle. Otherwise excellent condition with some old wear and traces of use. Naturally grown patina. Weight: 113.1 g Dimensions: Height 8.6 cm 瑪瑙玉竹節印章，清代 中國，十九世紀。不透明的石料帶有濃烈的琥珀色，並帶有一層雞血石層，琥珀色部被雕刻成竹節和竹葉，紅色部分被雕刻成一對甲蟲，沿著竹莖及其葉子和藤蔓攀爬。 來源：Anthony du Boulay個人收藏。Anthony du Boulay 于1949-1980年間為佳士得工作，曾多年為陶瓷部主任，后又曾任13年日内瓦佳士得主席。1981年起他曾任英國陶瓷信托名譽顧問、東方陶瓷協會理事以及法國陶瓷協會主席。 品相：一隻甲蟲的透雕処有極小缺損。 除此之外品相極好，帶有一些老磨損和使用痕跡。 自然的包漿。 重量：113.1 克 尺寸：高 8.6 厘米