Hetian Jade Openwork Plaque with Double Dragon Pattern Carved from Hetian white jade, the plaque is carved with double dragons piercing through clouds using multi-layer openwork technique. The jade is warm and smooth, with some natural russet color retained locally, and the border is neat. It is 12.5cm long, 8.7cm wide, and weighs 174g. Multi-layer openwork is a highly difficult ancient jade carving technique. The double dragon and auspicious cloud motif symbolizes good fortune, with flexible and smooth knife work, fully demonstrating the superb level of traditional jade carving. It is a classic ancient jade collection category.