18th/early 19th century The front-opening coat secured by a gilt-metal button at the neck, intricately couched in gold and silver-wrapped threads with four front-facing five-clawed dragon roundels on the front, back and shoulders, each dragon in pursuit of a flaming pearl, surrounded by dense cloud scrolls over churning waves, the eyes with embroidered details, lined with pale-yellow silk. 50 1/2in (128.2cm) long