- Author: ?YOUQUA
- Publication place: China
- Publication date: c.1840
- Physical description: Oblong folio, original decorated silk covered boards with ties. A beautiful set of twelve watercolours, brightly hued, each lined with blue silk ribbon along the edges of the image, this mounted on slightly larger Chinese paper leaves.
- Inventory reference: 10837
This set is particularly large and attractive as often studies of the tea industry were in a smaller format to enable the buyer to carry or ship abroad easily.